[PARISC] Remove __read_mostly annotation from command_line

Who cares if it's in the read mostly section when it's
going to be discarded anyway?
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

arch/parisc/kernel/setup.c

@@ -45,7 +45,7 @@
 #include <asm/io.h>
 #include <asm/setup.h>
 
-char	__initdata command_line[COMMAND_LINE_SIZE] __read_mostly;
+char	__initdata command_line[COMMAND_LINE_SIZE];
 
 /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */
 struct proc_dir_entry * proc_runway_root __read_mostly = NULL;