Move tmk_core/common/<plat> (#13918)

platforms/test/platform.mk

@@ -0,0 +1,34 @@
+SYSTEM_TYPE := $(shell gcc -dumpmachine)
+GCC_VERSION := $(shell gcc --version 2>/dev/null)
+
+CC = $(CC_PREFIX) gcc
+OBJCOPY =
+OBJDUMP =
+SIZE =
+AR =
+NM =
+HEX =
+EEP =
+BIN =
+
+
+COMPILEFLAGS += -funsigned-char
+ifeq ($(findstring clang, ${GCC_VERSION}),)
+COMPILEFLAGS += -funsigned-bitfields
+endif
+COMPILEFLAGS += -ffunction-sections
+COMPILEFLAGS += -fdata-sections
+COMPILEFLAGS += -fshort-enums
+ifneq ($(findstring mingw, ${SYSTEM_TYPE}),)
+COMPILEFLAGS += -mno-ms-bitfields
+endif
+
+CFLAGS += $(COMPILEFLAGS)
+ifeq ($(findstring clang, ${GCC_VERSION}),)
+CFLAGS += -fno-inline-small-functions
+endif
+CFLAGS += -fno-strict-aliasing
+
+CXXFLAGS += $(COMPILEFLAGS)
+CXXFLAGS += -fno-exceptions
+CXXFLAGS += -std=gnu++11