i.MX Framebuffer: fix margins
i.MX Framebuffer: fix margins

The upper/lower and left/right margins are mixed up in the driver.
Fix it

Acked-by: Krzysztof Helt <e36322531041744f35a39a40f0faffcfb5b388ff@poczta.fm>
Signed-off-by: Sascha Hauer <c00cbc2b736c26791a3822db86f8796fe9efff67@pengutronix.de>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs