gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535
gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535

cs5535-gpio.c has been split into two, with various setup moved
into cs5535-mfd.c.  Given that cs5535-gpio will not load without
the -mfd part, lets make that dependency explicit in Kconfig

Signed-off-by: Ed Wildgoose <c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b@wildgooses.com>
Acked-by: Andres Salomon <3945bcf5fa0c9ecb9066fe0f9d287073618c06cc@queued.net>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@secretlab.ca>

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