target/uml: add missing CONFIG_MATOM config symbol

SVN-Revision: 21434

target/linux/uml/config/i386

@@ -70,6 +70,7 @@ CONFIG_LZO_DECOMPRESS=m
 # CONFIG_M686 is not set
 # CONFIG_MAC_PARTITION is not set
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_MATOM is not set
 CONFIG_MCONSOLE=y
 # CONFIG_MCORE2 is not set
 # CONFIG_MCRUSOE is not set