MIPS: generic: Bump default NR_CPUS to 16

In generic_defconfig set CONFIG_NR_CPUS to 16 rather than 2, which is a
rather too low limit for many modern day MIPS systems.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16949/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/configs/generic_defconfig

@@ -3,7 +3,7 @@ CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_MIPS_CPS=y
 CONFIG_CPU_HAS_MSA=y
 CONFIG_HIGHMEM=y
-CONFIG_NR_CPUS=2
+CONFIG_NR_CPUS=16
 CONFIG_MIPS_O32_FP64_SUPPORT=y
 CONFIG_SYSVIPC=y
 CONFIG_NO_HZ_IDLE=y