MIPS: config: Enable MSA and virtualization for MIPS64R6

All MIPS64R6 cores so far supports MSA and vz, so it makes sense
to enable them in 64R6 default config.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Author: FlyGoat

arch/mips/configs/generic/64r6.config

@@ -3,4 +3,6 @@ CONFIG_64BIT=y
 CONFIG_MIPS32_O32=y
 CONFIG_MIPS32_N32=y
 
+CONFIG_CPU_HAS_MSA=y
 CONFIG_CRYPTO_CRC32_MIPS=y
+CONFIG_VIRTUALIZATION=y