rb532: restore command line patching functionality

SVN-Revision: 15724

target/linux/rb532/patches-2.6.28/007-cmdline_hack.patch

@@ -12,3 +12,23 @@
  #ifndef CONFIG_NO_EXCEPT_FILL
  	/*
  	 * Reserved space for exception handlers.
+--- a/arch/mips/rb532/prom.c
++++ b/arch/mips/rb532/prom.c
+@@ -67,6 +67,7 @@
+ 	return simple_strtoul(num, 0, 10);
+ }
+ 
++extern char _image_cmdline;
+ void __init prom_setup_cmdline(void)
+ {
+ 	char cmd_line[CL_SIZE];
+@@ -109,6 +110,9 @@
+ 	}
+ 	*(cp++) = ' ';
+ 
++	strcpy(cp,(&_image_cmdline + 8));
++	cp += strlen(&_image_cmdline);
++
+ 	i = strlen(arcs_cmdline);
+ 	if (i > 0) {
+ 		*(cp++) = ' ';