lcd, pxafb: move the pxafb to drivers/video

Since the lcd code was compiled unconditionally for pxa also add
CONFIG_PXA_LCD to the boards using this framebuffer. Since
driver/video contains video and lcd drivers, add lcd to the name
to make clear it belongs to common/lcd.c.

cc: Anatolij Gustschin <agust@denx.de>
cc: Cliff Brake <cliff.brake@gmail.com>
cc: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
diff --git a/include/configs/lubbock.h b/include/configs/lubbock.h
index 5886a15..b99a056 100644
--- a/include/configs/lubbock.h
+++ b/include/configs/lubbock.h
@@ -38,6 +38,7 @@
 #define CONFIG_LUBBOCK		1	/* on an LUBBOCK Board	    */
 #define CONFIG_LCD		1
 #ifdef CONFIG_LCD
+#define CONFIG_PXA_LCD
 #define CONFIG_SHARP_LM8V31
 #endif
 #define CONFIG_MMC