MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT

[ Upstream commit 564c836 ]

Commit 930beb5 ("MIPS: introduce MIPS_L1_CACHE_SHIFT_<N>") forgot
to select the correct MIPS_L1_CACHE_SHIFT for SNI RM. This breaks non
coherent DMA because of a wrong allocation alignment.

Fixes: 930beb5 ("MIPS: introduce MIPS_L1_CACHE_SHIFT_<N>")
Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
(cherry picked from commit 38eefb1964388f93644b35ec77000c5fbecca9cc)

Author: tsbogend

arch/mips/Kconfig

@@ -858,6 +858,7 @@ config SNI_RM
 	select I8253
 	select I8259
 	select ISA
+	select MIPS_L1_CACHE_SHIFT_6
 	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
 	select SYS_HAS_CPU_R4X00
 	select SYS_HAS_CPU_R5000