MIPS: mipsreg: remove duplicate MIPS_CONF4_FTLBSETS_SHIFT

The MIPS_CONF4_FTLBSETS_SHIFT define is cut and pasted twice so we can
remove the second define.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: John Crispin <blogic@openwrt.org>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: kernel-janitors@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7063/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/mipsregs.h

@@ -631,7 +631,6 @@
 #define MIPS_CONF4_MMUSIZEEXT_SHIFT	(0)
 #define MIPS_CONF4_MMUSIZEEXT	(_ULCAST_(255) << 0)
 #define MIPS_CONF4_FTLBSETS_SHIFT	(0)
-#define MIPS_CONF4_FTLBSETS_SHIFT	(0)
 #define MIPS_CONF4_FTLBSETS	(_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
 #define MIPS_CONF4_FTLBWAYS_SHIFT	(4)
 #define MIPS_CONF4_FTLBWAYS	(_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)