Build: musca_s1: Remove CMSIS_Driver/Include from include path

This path does not exist anymore following CMSIS upgrade, and
might just lead to CMake configuration issues when the
psa_crypto_config target it then exported to NS.

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: Ieabe031701b04b20b43d07db08f49a946d1f19e0
diff --git a/platform/ext/target/arm/musca_s1/ns/CMakeLists.txt b/platform/ext/target/arm/musca_s1/ns/CMakeLists.txt
index d3ed35e..64d22a9 100644
--- a/platform/ext/target/arm/musca_s1/ns/CMakeLists.txt
+++ b/platform/ext/target/arm/musca_s1/ns/CMakeLists.txt
@@ -31,7 +31,6 @@
         ext/common
         Native_Driver
         CMSIS_Driver/Config
-        CMSIS_Driver/include
         Device/Include
         partition
         $<$<BOOL:${PLATFORM_GPLED_ENABLED}>:services/include>