MIPS: Alchemy: fix xxs1500 build error
MIPS: Alchemy: fix xxs1500 build error

This fixes:
alchemy/xxs1500/init.c: In function 'prom_init':
alchemy/xxs1500/init.c:57:17: error: ignoring return value of 'kstrtoul', declared with attribute warn_unused_result

Signed-off-by: Manuel Lauss <a1f4ff295e0f8cc346fc4937c19496e21c351f53@googlemail.com>
Cc: Linux-MIPS <562397917b9a8bf316569a848858b12fb417723f@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/2340/
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

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