EXYNOS: Change bits per pixel value proper for u-boot.

vl_bpix of vidinfo_t was changed proper value for u-boot.
It is used to multiple of 2 by using NBITS() macro.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index 2a60fcf..6416b90 100644
--- a/drivers/video/exynos_fimd.c
+++ b/drivers/video/exynos_fimd.c
@@ -110,7 +110,7 @@
 		(struct exynos4_fb *)samsung_get_base_fimd();
 
 	start_addr = (unsigned long)lcd_base_addr;
-	end_addr = start_addr + ((pvid->vl_col * (pvid->vl_bpix / 8)) *
+	end_addr = start_addr + ((pvid->vl_col * (NBITS(pvid->vl_bpix) / 8)) *
 				pvid->vl_row);
 
 	writel(start_addr, (unsigned int)&fimd_ctrl->vidw00add0b0 +
@@ -331,7 +331,7 @@
 	exynos_fimd_set_buffer_address(pvid->win_id);
 
 	/* set buffer size */
-	cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * pvid->vl_bpix / 8);
+	cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * NBITS(pvid->vl_bpix) / 8);
 	writel(cfg, (unsigned int)&fimd_ctrl->vidw00add2 +
 					EXYNOS_BUFFER_SIZE(pvid->win_id));
 
@@ -350,5 +350,5 @@
 
 unsigned long exynos_fimd_calc_fbsize(void)
 {
-	return pvid->vl_col * pvid->vl_row * (pvid->vl_bpix / 8);
+	return pvid->vl_col * pvid->vl_row * (NBITS(pvid->vl_bpix) / 8);
 }