[POWERPC] Remove xmon from ml300 and ml403 defconfig in arch/ppc

xmon is broken under arch/ppc so remove it from the defconfig.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/ppc/configs/ml300_defconfig

@@ -719,7 +719,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 

arch/ppc/configs/ml403_defconfig

@@ -720,7 +720,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set