api-tests: Small improvements to the error print on wrong cmake args

Fix a typo and add printout of the erroneous arg.

Signed-off-by: Øyvind Rønningstad <oyvind.ronningstad@nordicsemi.no>
diff --git a/api-tests/CMakeLists.txt b/api-tests/CMakeLists.txt
index 1504c76..98ae325 100644
--- a/api-tests/CMakeLists.txt
+++ b/api-tests/CMakeLists.txt
@@ -141,7 +141,7 @@
 # Check for valid targets
 _get_sub_dir_list(PSA_TARGET_LIST ${PSA_ROOT_DIR}/platform/targets)
 if(NOT ${TARGET} IN_LIST PSA_TARGET_LIST)
-	message(FATAL_ERROR "[PSA] : Error: Unspported value for -DTARGET=, supported targets are : ${PSA_TARGET_LIST}")
+	message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DTARGET=${TARGET}, supported targets are : ${PSA_TARGET_LIST}")
 else()
     message(STATUS "[PSA] : TARGET is set to ${TARGET}")
 endif()
@@ -162,7 +162,7 @@
 
 # Check for valid suite cmake argument passed
 if(NOT ${SUITE} IN_LIST PSA_SUITES)
-	message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DSUITE=, select one from supported suites which are : ${PSA_SUITES}")
+	message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DSUITE=${SUITE}, select one from supported suites which are : ${PSA_SUITES}")
 else()
     message(STATUS "[PSA] : SUITE is set to ${SUITE}")
 endif()
@@ -249,7 +249,7 @@
     else()
         # Check for CPU architecture
         if(NOT ${CPU_ARCH} IN_LIST PSA_CPU_ARCH_SUPPORT)
-	        message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DCPU_ARCH=, supported CPU arch are : ${PSA_CPU_ARCH_SUPPORT}")
+	        message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DCPU_ARCH=${CPU_ARCH}, supported CPU arch are : ${PSA_CPU_ARCH_SUPPORT}")
         endif()
     endif()
     message(STATUS "[PSA] : CPU_ARCH is set to ${CPU_ARCH}")
@@ -261,7 +261,7 @@
         message(STATUS "[PSA] : Defaulting VERBOSE to ${VERBOSE}")
 else()
 	if(NOT ${VERBOSE} IN_LIST PSA_VERBOSE_OPTIONS)
-		message(FATAL_ERROR "[PSA] : Error: Unspported value for -DVERBOSE=, supported values are : ${PSA_VERBOSE_OPTIONS}")
+		message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DVERBOSE=${VERBOSE}, supported values are : ${PSA_VERBOSE_OPTIONS}")
 	endif()
     message(STATUS "[PSA] : VERBOSE is set to ${VERBOSE}")
 endif()
@@ -278,7 +278,7 @@
 	endif()
 else()
 	if(NOT ${PLATFORM_PSA_ISOLATION_LEVEL} IN_LIST PLATFORM_PSA_ISOLATION_LEVEL_OPTIONS)
-		message(FATAL_ERROR "[PSA] : Error: Unspported value for -DPLATFORM_PSA_ISOLATION_LEVEL=, supported values are : ${PLATFORM_PSA_ISOLATION_LEVEL_OPTIONS}")
+		message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DPLATFORM_PSA_ISOLATION_LEVEL=${PLATFORM_PSA_ISOLATION_LEVEL}, supported values are : ${PLATFORM_PSA_ISOLATION_LEVEL_OPTIONS}")
 	endif()
 	if(${SUITE} STREQUAL "IPC")
 		message(STATUS "[PSA] : PLATFORM_PSA_ISOLATION_LEVEL is set to ${PLATFORM_PSA_ISOLATION_LEVEL}")
@@ -441,7 +441,7 @@
 if(${TOOLCHAIN} IN_LIST PSA_TOOLCHAIN_SUPPORT)
         include(${PSA_ROOT_DIR}/tools/cmake/compiler/${TOOLCHAIN}.cmake)
 else()
-        message(FATAL_ERROR "[PSA] : Error: Unspported value for -DTOOLCHAIN=, supported toolchain are : ${PSA_TOOLCHAIN_SUPPORT}")
+        message(FATAL_ERROR "[PSA] : Error: Unsupported value for -DTOOLCHAIN=${TOOLCHAIN}, supported toolchain are : ${PSA_TOOLCHAIN_SUPPORT}")
 endif()
 
 # Global macro to identify the PSA test suite cmake build