ARM: imx: reset_controller may be disabled
ARM: imx: reset_controller may be disabled

The new reset controller API is optional, so if that is disabled,
we must not call it from platform code.

arch/arm/mach-imx/built-in.o: In function
 `imx_src_init': /git/arm-soc/arch/arm/mach-imx/src.c:144:
	undefined reference to `reset_controller_register'

Cc: Sascha Hauer <c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b@pengutronix.de>
Signed-off-by: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>

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