[Silabs] Add a low power build flag to the efr32 build script (#23324)

* Add low power flag

* Add variants to python builders

* update hardcoded text file

* Apply Restyler changes
diff --git a/scripts/build/build/targets.py b/scripts/build/build/targets.py
index 71440e6..f3ac329 100755
--- a/scripts/build/build/targets.py
+++ b/scripts/build/build/targets.py
@@ -205,6 +205,8 @@
 
     target.AppendModifier('rpc', enable_rpcs=True)
     target.AppendModifier('with-ota-requestor', enable_ota_requestor=True)
+    target.AppendModifier('sed', enable_sed=True)
+    target.AppendModifier('low-power', enable_low_power=True)
 
     return target
 
diff --git a/scripts/build/builders/efr32.py b/scripts/build/builders/efr32.py
index 6978366..6aba4a2 100644
--- a/scripts/build/builders/efr32.py
+++ b/scripts/build/builders/efr32.py
@@ -115,6 +115,8 @@
                  board: Efr32Board = Efr32Board.BRD4161A,
                  enable_rpcs: bool = False,
                  enable_ota_requestor: bool = False,
+                 enable_sed: bool = False,
+                 enable_low_power: bool = False
                  ):
         super(Efr32Builder, self).__init__(
             root=app.BuildRoot(root),
@@ -128,6 +130,13 @@
         if enable_ota_requestor:
             self.extra_gn_options.append('chip_enable_ota_requestor=true')
 
+        if enable_sed:
+            self.extra_gn_options.append('enable_sleepy_device=true chip_openthread_ftd=false')
+
+        if enable_low_power:
+            self.extra_gn_options.append(
+                'chip_build_libshell=false enable_openthread_cli=false show_qr_code=false disable_lcd=true')
+
     def GnBuildArgs(self):
         return self.extra_gn_options
 
diff --git a/scripts/build/testdata/all_targets_linux_x64.txt b/scripts/build/testdata/all_targets_linux_x64.txt
index 90c216a..09c1360 100644
--- a/scripts/build/testdata/all_targets_linux_x64.txt
+++ b/scripts/build/testdata/all_targets_linux_x64.txt
@@ -3,7 +3,7 @@
 bouffalolab-{bl602-iot-matter-v1,bl602-iot-dvk-3s,bl602-night-light,xt-zb6-devkit,bl706-iot-dvk,bl706-night-light}-light[-shell][-115200][-rpc]
 cc13x2x7_26x2x7-{all-clusters,all-clusters-minimal,lock,pump,pump-controller,shell}[-ftd][-mtd]
 cyw30739-cyw930739m2evb_01-{light,lock,ota-requestor}[-no-progress-logging]
-efr32-{brd4161a,brd4187c,brd4163a,brd4164a,brd4166a,brd4170a,brd4186a,brd4187a,brd4304a}-{window-covering,switch,unit-test,light,lock}[-rpc][-with-ota-requestor]
+efr32-{brd4161a,brd4187c,brd4163a,brd4164a,brd4166a,brd4170a,brd4186a,brd4187a,brd4304a}-{window-covering,switch,unit-test,light,lock}[-rpc][-with-ota-requestor][-sed][-low-power]
 esp32-{m5stack,c3devkit,devkitc,qemu}-{all-clusters,all-clusters-minimal,ota-requestor,ota-requestor,shell,light,lock,bridge,temperature-measurement,ota-requestor,tests}[-rpc][-ipv6only]
 genio-lighting-app
 linux-fake-tests[-mbedtls][-boringssl][-asan][-tsan][-libfuzzer][-coverage][-dmalloc][-clang]
diff --git a/scripts/examples/gn_efr32_example.sh b/scripts/examples/gn_efr32_example.sh
index 90cf739..2062c07 100755
--- a/scripts/examples/gn_efr32_example.sh
+++ b/scripts/examples/gn_efr32_example.sh
@@ -94,7 +94,10 @@
         Presets
         --sed
             enable sleepy end device, set thread mtd
-            For minimum consumption, disable openthread cli and qr code
+            For minimum consumption, add --low-power
+        --low-power
+            disables all power consuming features for the most power efficient build
+            This flag is to be used with --sed
         --wifi <wf200 | rs911x>
             build wifi example variant for given exansion board
         --additional_data_advertising
@@ -140,6 +143,10 @@
                 optArgs+="enable_sleepy_device=true chip_openthread_ftd=false "
                 shift
                 ;;
+            --low-power)
+                optArgs+="chip_build_libshell=false enable_openthread_cli=false show_qr_code=false disable_lcd=true "
+                shift
+                ;;
             --chip_enable_wifi_ipv4)
                 optArgs+="chip_enable_wifi_ipv4=true "
                 shift