sh: kgdb: Fix up NULL pointer deref by kgdb_nmicallback.
sh: kgdb: Fix up NULL pointer deref by kgdb_nmicallback.

kgdb_nmicallback expects valid register state, so just fetch the register
state with get_irq_regs() as on other platforms.

Signed-off-by: Paul Mundt <38b52dbb5f0b63d149982b6c5de788ec93a89032@linux-sh.org>

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