pm3fb: change option mode to mode_option

Add the option "mode_option".

This is one step toward changing all fb drivers to have common "mode_option"
parameter.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/pm3fb.c

@@ -1571,6 +1571,8 @@ module_exit(pm3fb_exit);
 #endif
 module_init(pm3fb_init);
 
+module_param(mode_option, charp, 0);
+MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
 module_param(noaccel, bool, 0);
 MODULE_PARM_DESC(noaccel, "Disable acceleration");
 module_param(hwcursor, int, 0644);