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/luan/luan.c b/board/amcc/luan/luan.c
index 71ad89f..5f76672 100644
--- a/board/amcc/luan/luan.c
+++ b/board/amcc/luan/luan.c
@@ -49,23 +49,23 @@
 	mtebc( PB2AP,  0x03800000 );
 	mtebc( PB2CR,  0xff838000 );	/* ebc0_b2cr, 2MB at 0xff800000 CS2 */
 
-	mtdcr( uic1sr, 0xffffffff );	/* Clear all interrupts */
-	mtdcr( uic1er, 0x00000000 );	/* disable all interrupts */
-	mtdcr( uic1cr, 0x00000000 );	/* Set Critical / Non Critical interrupts */
-	mtdcr( uic1pr, 0x7fff83ff );	/* Set Interrupt Polarities */
-	mtdcr( uic1tr, 0x001f8000 );	/* Set Interrupt Trigger Levels */
-	mtdcr( uic1vr, 0x00000001 );	/* Set Vect base=0,INT31 Highest priority */
-	mtdcr( uic1sr, 0x00000000 );	/* clear all interrupts */
-	mtdcr( uic1sr, 0xffffffff );
+	mtdcr( UIC1SR, 0xffffffff );	/* Clear all interrupts */
+	mtdcr( UIC1ER, 0x00000000 );	/* disable all interrupts */
+	mtdcr( UIC1CR, 0x00000000 );	/* Set Critical / Non Critical interrupts */
+	mtdcr( UIC1PR, 0x7fff83ff );	/* Set Interrupt Polarities */
+	mtdcr( UIC1TR, 0x001f8000 );	/* Set Interrupt Trigger Levels */
+	mtdcr( UIC1VR, 0x00000001 );	/* Set Vect base=0,INT31 Highest priority */
+	mtdcr( UIC1SR, 0x00000000 );	/* clear all interrupts */
+	mtdcr( UIC1SR, 0xffffffff );
 
-	mtdcr( uic0sr, 0xffffffff );	/* Clear all interrupts */
-	mtdcr( uic0er, 0x00000000 );	/* disable all interrupts excepted cascade */
-	mtdcr( uic0cr, 0x00000001 );	/* Set Critical / Non Critical interrupts */
-	mtdcr( uic0pr, 0xffffffff );	/* Set Interrupt Polarities */
-	mtdcr( uic0tr, 0x01000004 );	/* Set Interrupt Trigger Levels */
-	mtdcr( uic0vr, 0x00000001 );	/* Set Vect base=0,INT31 Highest priority */
-	mtdcr( uic0sr, 0x00000000 );	/* clear all interrupts */
-	mtdcr( uic0sr, 0xffffffff );
+	mtdcr( UIC0SR, 0xffffffff );	/* Clear all interrupts */
+	mtdcr( UIC0ER, 0x00000000 );	/* disable all interrupts excepted cascade */
+	mtdcr( UIC0CR, 0x00000001 );	/* Set Critical / Non Critical interrupts */
+	mtdcr( UIC0PR, 0xffffffff );	/* Set Interrupt Polarities */
+	mtdcr( UIC0TR, 0x01000004 );	/* Set Interrupt Trigger Levels */
+	mtdcr( UIC0VR, 0x00000001 );	/* Set Vect base=0,INT31 Highest priority */
+	mtdcr( UIC0SR, 0x00000000 );	/* clear all interrupts */
+	mtdcr( UIC0SR, 0xffffffff );
 
 	mfsdr(SDR0_MFR, mfr);
 	mfr |= SDR0_MFR_FIXD;		/* Workaround for PCI/DMA */