arch: arm: Add Cortex-R5 support

Pass the correct -mcpu flags to the compiler when building for the
Cortex-R5.

Signed-off-by: Bradley Bolen <[email protected]>

Author: Bradley Bolen

arch/arm/core/cortex_r/Kconfig

@@ -22,6 +22,14 @@ config CPU_CORTEX_R4
 	help
 	  This option signifies the use of a Cortex-R4 CPU
 
+config CPU_CORTEX_R5
+	bool
+	select CPU_CORTEX_R
+	select ARMV7_R
+	select ARMV7_R_FP if CPU_HAS_FPU
+	help
+	  This option signifies the use of a Cortex-R5 CPU
+
 if CPU_CORTEX_R
 
 config ARMV7_R

cmake/gcc-m-cpu.cmake

@@ -24,6 +24,8 @@ if("${ARCH}" STREQUAL "arm")
     endif()
   elseif(CONFIG_CPU_CORTEX_R4)
     set(GCC_M_CPU cortex-r4)
+  elseif(CONFIG_CPU_CORTEX_R5)
+    set(GCC_M_CPU cortex-r5)
   else()
     message(FATAL_ERROR "Expected CONFIG_CPU_CORTEX_x to be defined")
   endif()