MIPS: CM: Add CM GCR_BEV_BASE accessors

Generate accessor functions for the GCR_BEV_BASE register introduced by
CM3, for use by a later patch.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12331/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/mips-cm.h

@@ -208,6 +208,7 @@ BUILD_CM_RW(l2_config,		MIPS_CM_GCB_OFS + 0x130)
 BUILD_CM_RW(sys_config2,	MIPS_CM_GCB_OFS + 0x150)
 BUILD_CM_RW(l2_pft_control,	MIPS_CM_GCB_OFS + 0x300)
 BUILD_CM_RW(l2_pft_control_b,	MIPS_CM_GCB_OFS + 0x308)
+BUILD_CM_RW(bev_base,		MIPS_CM_GCB_OFS + 0x680)
 
 /* Core Local & Core Other register accessor functions */
 BUILD_CM_Cx_RW(reset_release,	0x00)