Use HOST_CC instead of CC on TCG only targets

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5687 c046a42c-6fe2-441c-8c8c-71466251a162

Makefile.target

 include config.mak
 
+ifndef CONFIG_DYNGEN_OP
+CC=$(HOST_CC)
+endif
+
 TARGET_BASE_ARCH:=$(TARGET_ARCH)
 ifeq ($(TARGET_ARCH), x86_64)
 TARGET_BASE_ARCH:=i386