chore: gitignore fetched dependency directories to prevent accidental tracking

Co-authored-by: HiFiPhile <4375114+HiFiPhile@users.noreply.github.com>

.gitignore

diff --git a/.gitignore b/.gitignore
index b833191..6412834 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,12 @@
 .cmake_build
 README_processed.rst
 .worktrees
+# Fetched dependencies (get_deps.py)
+hw/mcu/*/
+lib/CMSIS_5/
+lib/FreeRTOS-Kernel/
+lib/fatfs/
+lib/lwip/
+lib/threadx/
+tools/linkermap/
+tools/uf2/

hw/mcu/raspberry_pi/FreeRTOS-Kernel

diff --git a/hw/mcu/raspberry_pi/FreeRTOS-Kernel b/hw/mcu/raspberry_pi/FreeRTOS-Kernel
deleted file mode 160000
index 4f7299d..0000000
--- a/hw/mcu/raspberry_pi/FreeRTOS-Kernel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4f7299d6ea746b27a9dd19e87af568e34bd65b15

hw/mcu/raspberry_pi/Pico-PIO-USB

diff --git a/hw/mcu/raspberry_pi/Pico-PIO-USB b/hw/mcu/raspberry_pi/Pico-PIO-USB
deleted file mode 160000
index 675543b..0000000
--- a/hw/mcu/raspberry_pi/Pico-PIO-USB
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 675543bcc9baa8170f868ab7ba316d418dbcf41f

hw/mcu/st/cmsis_device_f4

diff --git a/hw/mcu/st/cmsis_device_f4 b/hw/mcu/st/cmsis_device_f4
deleted file mode 160000
index 3c77349..0000000
--- a/hw/mcu/st/cmsis_device_f4
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3c77349ce04c8af401454cc51f85ea9a50e34fc1

hw/mcu/st/stm32f4xx_hal_driver

diff --git a/hw/mcu/st/stm32f4xx_hal_driver b/hw/mcu/st/stm32f4xx_hal_driver
deleted file mode 160000
index b6f0ed3..0000000
--- a/hw/mcu/st/stm32f4xx_hal_driver
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b6f0ed3829f3829eb358a2e7417d80bba1a42db7

lib/CMSIS_5

diff --git a/lib/CMSIS_5 b/lib/CMSIS_5
deleted file mode 160000
index 2b7495b..0000000
--- a/lib/CMSIS_5
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2b7495b8535bdcb306dac29b9ded4cfb679d7e5c

lib/FreeRTOS-Kernel

diff --git a/lib/FreeRTOS-Kernel b/lib/FreeRTOS-Kernel
deleted file mode 160000
index 9b777ae..0000000
--- a/lib/FreeRTOS-Kernel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9b777ae5c5b8e9e456065a00294d1e5f5f9facf5

lib/fatfs

diff --git a/lib/fatfs b/lib/fatfs
deleted file mode 160000
index 30ca13c..0000000
--- a/lib/fatfs
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 30ca13c62615df0d2e9104ab41256985b96590c1

lib/lwip

diff --git a/lib/lwip b/lib/lwip
deleted file mode 160000
index 159e31b..0000000
--- a/lib/lwip
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 159e31b689577dbf69cf0683bbaffbd71fa5ee10

lib/threadx

diff --git a/lib/threadx b/lib/threadx
deleted file mode 160000
index 4b6e810..0000000
--- a/lib/threadx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4b6e8100d932a3a67b34c6eb17f84f3bffb9e2ae

tools/linkermap

diff --git a/tools/linkermap b/tools/linkermap
deleted file mode 160000
index 8e1f440..0000000
--- a/tools/linkermap
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8e1f440fa15c567aceb5aa0d14f6d18c329cc67f

tools/uf2

diff --git a/tools/uf2 b/tools/uf2
deleted file mode 160000
index c594542..0000000
--- a/tools/uf2
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c594542b2faa01cc33a2b97c9fbebc38549df80a