mips: remove SYS_HAS_CPU_MIPS32_R1 from RALINK

All MIPS processors on the Ralink SoCs implement the MIPS32 Release 2
Architecture. Remove SYS_HAS_CPU_MIPS32_R1.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/Kconfig

@@ -610,7 +610,6 @@ config RALINK
 	select DMA_NONCOHERENT
 	select IRQ_MIPS_CPU
 	select USE_OF
-	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_HAS_CPU_MIPS32_R2
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN