as discussed with phil, do not default toolchain to a specific cpu, we have -fhonour-copts, to detect when CFLAGS are not used

toolchain/gcc/Makefile

@@ -87,29 +87,6 @@ else
 GCC_CONFOPTS+=		--enable-target-optspace
 endif
 
-ifeq ($(ARCH),arm)
-GCC_CONFOPTS+=		--with-float=$(ADK_TARGET_FLOAT)
-ifneq ($(ADK_TARGET_FPU),)
-GCC_CONFOPTS+=		--with-fpu=$(ADK_TARGET_FPU)
-endif
-endif
-
-ifeq ($(ADK_CPU_ARM926EJ_S),y)
-GCC_CONFOPTS+=          --with-arch=armv5te --with-tune=arm1176jzf-s
-endif
-
-ifeq ($(ADK_CPU_ARM1176JZF_S),y)
-GCC_CONFOPTS+=          --with-arch=armv6 --with-tune=arm1176jzf-s
-endif
-
-ifeq ($(ADK_CPU_CORTEX_A9),y)
-GCC_CONFOPTS+=          --with-arch=armv7-a --with-tune=cortex-a9
-endif
-
-ifeq ($(ADK_CPU_SPARC_V9),y)
-GCC_CONFOPTS+=          --with-cpu=ultrasparc
-endif
-
 ifneq ($(ADK_TARGET_MIPS_ABI),)
 GCC_CONFOPTS+=		--with-abi=${ADK_TARGET_MIPS_ABI}
 endif