sanders: gps: update to LA.UM.7.6.r1-02000-89xx.0 tag

gps/build/target_specific_features.mk

@@ -0,0 +1,17 @@
+GNSS_CFLAGS := \
+    -Werror \
+    -Wno-error=unused-parameter \
+    -Wno-error=format \
+    -Wno-error=macro-redefined \
+    -Wno-error=reorder \
+    -Wno-error=missing-braces \
+    -Wno-error=self-assign \
+    -Wno-error=enum-conversion \
+    -Wno-error=logical-op-parentheses \
+    -Wno-error=null-arithmetic \
+    -Wno-error=null-conversion \
+    -Wno-error=parentheses-equality \
+    -Wno-error=undefined-bool-conversion \
+    -Wno-error=tautological-compare \
+    -Wno-error=switch \
+    -Wno-error=date-time