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/drivers/video/Makefile b/drivers/video/Makefile
index 20b2e6f..250aebd 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -36,6 +36,7 @@
 COBJS-$(CONFIG_EXYNOS_PWM_BL) += exynos_pwm_bl.o
 COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o
 COBJS-$(CONFIG_MPC8XX_LCD) += mpc8xx_lcd.o
+COBJS-$(CONFIG_PXA_LCD) += pxa_lcd.o
 COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o
 COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
 COBJS-$(CONFIG_LD9040) += ld9040.o