[cc13x2x7_26x2x7] Fix broken OTA building on TI platform (#23822)

* Added ti requirements for building OTA files

* Correct comment name
diff --git a/scripts/requirements.ti.txt b/scripts/requirements.ti.txt
new file mode 100644
index 0000000..14ea26e
--- /dev/null
+++ b/scripts/requirements.ti.txt
@@ -0,0 +1 @@
+ecdsa>=0.17.0
diff --git a/scripts/requirements.txt b/scripts/requirements.txt
index 4bb21d2..6fec358 100644
--- a/scripts/requirements.txt
+++ b/scripts/requirements.txt
@@ -17,6 +17,9 @@
 # Infineon
 -r requirements.infineon.txt
 
+# TI
+-r requirements.ti.txt
+
 # cirque tests
 requests>=2.24.0