Blackfin arch: use HI/LO macros rather than masking the bit ranges ourselves

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index 7063795..0521b15 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -79,8 +79,8 @@
 ENTRY(_invalidate_entire_icache)
 	[--SP] = ( R7:5);
 
-	P0.L = (IMEM_CONTROL & 0xFFFF);
-	P0.H = (IMEM_CONTROL >> 16);
+	P0.L = LO(IMEM_CONTROL);
+	P0.H = HI(IMEM_CONTROL);
 	R7 = [P0];
 
 	/* Clear the IMC bit , All valid bits in the instruction
@@ -197,8 +197,8 @@
 ENTRY(_dcache_invalidate)
 	[--SP] = ( R7:6);
 
-	P0.L = (DMEM_CONTROL & 0xFFFF);
-	P0.H = (DMEM_CONTROL >> 16);
+	P0.L = LO(DMEM_CONTROL);
+	P0.H = HI(DMEM_CONTROL);
 	R7 = [P0];
 
 	/* Clear the DMC[1:0] bits, All valid bits in the data