[RZ/A1H] disables GCC_ARM in targets.py

GCC is not supported by now, so eliminate GCC_ARM in targets.py and fpu related settings in toolchains/gcc.py

workspace_tools/targets.py

@@ -717,7 +717,7 @@ class RZ_A1H(Target):
         Target.__init__(self)
         self.core = "Cortex-A9"
         self.extra_labels = ['RENESAS', 'MBRZA1H']
-        self.supported_toolchains = ["ARM", "GCC_ARM"]
+        self.supported_toolchains = ["ARM"]
         self.supported_form_factors = ["ARDUINO"]
         self.default_toolchain = "ARM"
 

workspace_tools/toolchains/gcc.py

@@ -48,10 +48,6 @@ class GCC(mbedToolchain):
             self.cpu.append("-mfpu=fpv4-sp-d16")
             self.cpu.append("-mfloat-abi=softfp")
 
-        if target.core == "Cortex-A9":
-            self.cpu.append("-mfpu=vfpv3-fp16")
-            self.cpu.append("-mfloat-abi=hard")
-
         # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
         # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762
         common_flags = ["-c", "-Wall", "-Wextra",