Blackfin arch: fix bug - build kernel failed at head.S when reprogram clock on all platforms

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 6588170..0eb1da8 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -88,7 +88,7 @@
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 619685b..9fc95aa 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -79,7 +79,7 @@
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 559a7ee..f5c94bf 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -88,7 +88,7 @@
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 051b05c..93b361d 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -95,7 +95,7 @@
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 0b28137..31a777a 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -78,7 +78,7 @@
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);