switch aw & cw to target ARMv7

@@ -411,11 +411,11 @@
         { "v9b",        (SS11|M64), { "-m64", "-mcpu=ultrasparc3", "-mvis" } },
         { "sparc",      SS12, { "-mcpu=v9", "-mv8plus" } },
         { "sparcvis",   SS12, { "-mcpu=ultrasparc", "-mvis" } },
         { "sparcvis2",  SS12, { "-mcpu=ultrasparc3", "-mvis" } }
 #elif defined(CW_TARGET_arm)
-        { "generic",    SS12, { "-march=armv6", "-mfpu=vfp", "-mhard-float" } }
+        { "generic",    SS12, { "-march=armv7-a", "-mfpu=vfpv3-d16", "-mhard-float" } }
 #else
 #error Unknown CW_TARGET
 #endif
 };