[ARM] pxa/em-x270: add exeda GPIO extender and update GPIO mappings
[ARM] pxa/em-x270: add exeda GPIO extender and update GPIO mappings

Signed-off-by: Mike Rapoport <a17fed27eaa842282862ff7c1b9c8395a26ac320@compulab.co.il>
Signed-off-by: Eric Miao <e9e0335ae43eee51396737d09983d9b25d00e51e@marvell.com>

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