ARM: pxa: clean up set_pxa_fb_info

set_pxa_fb_info() has been a long-standing wart in the naming scheme
of the pxa_set_xxx_info() functions.  This renames the function, and
combines set_pxa_fb_parent() with set_pxa_fb_info().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index d4b6f23..a58f522 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -592,7 +592,7 @@
 	else
 		mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 
-	set_pxa_fb_info(&mainstone_pxafb_info);
+	pxa_set_fb_info(NULL, &mainstone_pxafb_info);
 	mainstone_backlight_register();
 
 	pxa_set_mci_info(&mainstone_mci_platform_data);