regulator: ab8500-ext: Add support for AB9540 regulators
regulator: ab8500-ext: Add support for AB9540 regulators

Add the support for ab9540 external regulators.

Signed-off-by: Michel JAOUEN <588f37dc1ad90ac17e5ebf7a3d4ed7e4229cdfe8@stericsson.com>
Signed-off-by: Lee Jones <630e34333487a351a857f6b705e04d30b37c1629@linaro.org>
Reviewed-by: Jonas ABERG <39fc1ce28f1cdf552b189618c2eb1c1bd8a697e7@stericsson.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@opensource.wolfsonmicro.com>

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