[Blackfin] arch: do not use hard coded addresses

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index f983ac7..7f752c8 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -121,8 +121,8 @@
 
 #if ANOMALY_05000283 || ANOMALY_05000315
 	cc = r7 == r7;
-	p5.h = 0xffc0;
-	p5.l = 0x0014;
+	p5.h = HI(CHIPID);
+	p5.l = LO(CHIPID);
 	if cc jump 1f;
 	r7.l = W[p5];
 1:
@@ -145,8 +145,8 @@
 
 #if ANOMALY_05000283
 	cc = r7 == r7;
-	p5.h = 0xffc0;
-	p5.l = 0x0014;
+	p5.h = HI(CHIPID);
+	p5.l = LO(CHIPID);
 	if cc jump 1f;
 	r7.l = W[p5];
 1: