ppc4xx: Convert PPC4xx UIC defines from lower case to upper case

The latest PPC4xx register cleanup patch missed the UIC defines.
This patch now changes lower case UIC defines to upper case.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/taishan/taishan.c b/board/amcc/taishan/taishan.c
index 086778a..4a0573e 100644
--- a/board/amcc/taishan/taishan.c
+++ b/board/amcc/taishan/taishan.c
@@ -132,36 +132,36 @@
 	 * UIC2		UIC1
 	 * UIC3		UIC2
 	 */
-	mtdcr (uic1sr, 0xffffffff);	/* clear all */
-	mtdcr (uic1er, 0x00000000);	/* disable all */
-	mtdcr (uic1cr, 0x00000009);	/* SMI & UIC1 crit are critical */
-	mtdcr (uic1pr, 0xfffffe13);	/* per ref-board manual */
-	mtdcr (uic1tr, 0x01c00008);	/* per ref-board manual */
-	mtdcr (uic1vr, 0x00000001);	/* int31 highest, base=0x000 */
-	mtdcr (uic1sr, 0xffffffff);	/* clear all */
+	mtdcr (UIC1SR, 0xffffffff);	/* clear all */
+	mtdcr (UIC1ER, 0x00000000);	/* disable all */
+	mtdcr (UIC1CR, 0x00000009);	/* SMI & UIC1 crit are critical */
+	mtdcr (UIC1PR, 0xfffffe13);	/* per ref-board manual */
+	mtdcr (UIC1TR, 0x01c00008);	/* per ref-board manual */
+	mtdcr (UIC1VR, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (UIC1SR, 0xffffffff);	/* clear all */
 
-	mtdcr (uic2sr, 0xffffffff);	/* clear all */
-	mtdcr (uic2er, 0x00000000);	/* disable all */
-	mtdcr (uic2cr, 0x00000000);	/* all non-critical */
-	mtdcr (uic2pr, 0xffffe0ff);	/* per ref-board manual */
-	mtdcr (uic2tr, 0x00ffc000);	/* per ref-board manual */
-	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
-	mtdcr (uic2sr, 0xffffffff);	/* clear all */
+	mtdcr (UIC2SR, 0xffffffff);	/* clear all */
+	mtdcr (UIC2ER, 0x00000000);	/* disable all */
+	mtdcr (UIC2CR, 0x00000000);	/* all non-critical */
+	mtdcr (UIC2PR, 0xffffe0ff);	/* per ref-board manual */
+	mtdcr (UIC2TR, 0x00ffc000);	/* per ref-board manual */
+	mtdcr (UIC2VR, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (UIC2SR, 0xffffffff);	/* clear all */
 
-	mtdcr (uic3sr, 0xffffffff);	/* clear all */
-	mtdcr (uic3er, 0x00000000);	/* disable all */
-	mtdcr (uic3cr, 0x00000000);	/* all non-critical */
-	mtdcr (uic3pr, 0xffffffff);	/* per ref-board manual */
-	mtdcr (uic3tr, 0x00ff8c0f);	/* per ref-board manual */
-	mtdcr (uic3vr, 0x00000001);	/* int31 highest, base=0x000 */
-	mtdcr (uic3sr, 0xffffffff);	/* clear all */
+	mtdcr (UIC3SR, 0xffffffff);	/* clear all */
+	mtdcr (UIC3ER, 0x00000000);	/* disable all */
+	mtdcr (UIC3CR, 0x00000000);	/* all non-critical */
+	mtdcr (UIC3PR, 0xffffffff);	/* per ref-board manual */
+	mtdcr (UIC3TR, 0x00ff8c0f);	/* per ref-board manual */
+	mtdcr (UIC3VR, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (UIC3SR, 0xffffffff);	/* clear all */
 
-	mtdcr (uic0sr, 0xfc000000);	/* clear all */
-	mtdcr (uic0er, 0x00000000);	/* disable all */
-	mtdcr (uic0cr, 0x00000000);	/* all non-critical */
-	mtdcr (uic0pr, 0xfc000000);	/* */
-	mtdcr (uic0tr, 0x00000000);	/* */
-	mtdcr (uic0vr, 0x00000001);	/* */
+	mtdcr (UIC0SR, 0xfc000000);	/* clear all */
+	mtdcr (UIC0ER, 0x00000000);	/* disable all */
+	mtdcr (UIC0CR, 0x00000000);	/* all non-critical */
+	mtdcr (UIC0PR, 0xfc000000);	/* */
+	mtdcr (UIC0TR, 0x00000000);	/* */
+	mtdcr (UIC0VR, 0x00000001);	/* */
 
 	/* Enable two GPIO 10~11 and TraceA signal */
 	mfsdr(SDR0_PFC0,reg);