irqchip/mxs: Panic if ioremap or domain creation fails
irqchip/mxs: Panic if ioremap or domain creation fails

Current code will only warn and then dereference the NULL pointer or
continue, which results in a fatal NULL pointer dereference later.

If the initialization fails, the machine is unusable, so panic right
away.

[ tglx: Massaged changelog and picked the irqdomain panic from the
  	next patch]

Signed-off-by: Oleksij Rempel <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@rempel-privat.de>
Tested-by: Shawn Guo <63670015a35b5e259a12af9c49179087023f8740@kernel.org>
Cc: Sascha Hauer <c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b@pengutronix.de>
Cc: a16cc0c82647c52d401177f8e50567df5499e36c@arm.com
Cc: 68c46a606457643eab92053c1c05574abb26f861@lakedaemon.net
Link: http://lkml.kernel.org/r/1444677334-12242-2-git-send-email-ba324ca7b1c77fc20bb970d5aff6eea9377918a5@rempel-privat.de
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs