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/eric/eric.c b/board/eric/eric.c
index bc2a907..cfcfa52 100644
--- a/board/eric/eric.c
+++ b/board/eric/eric.c
@@ -62,13 +62,13 @@
    |
    +-------------------------------------------------------------------------*/
 
-	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */
-	mtdcr (uicer, 0x00000000);	/* disable all ints */
-	mtdcr (uiccr, 0x00000000);	/* set all SMI to be non-critical */
-	mtdcr (uicpr, 0xFFFFFF88);	/* set int polarities; IRQ3 to 1 */
-	mtdcr (uictr, 0x10000000);	/* set int trigger levels, UART0 is EDGE */
-	mtdcr (uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */
-	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr (UIC0SR, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr (UIC0ER, 0x00000000);	/* disable all ints */
+	mtdcr (UIC0CR, 0x00000000);	/* set all SMI to be non-critical */
+	mtdcr (UIC0PR, 0xFFFFFF88);	/* set int polarities; IRQ3 to 1 */
+	mtdcr (UIC0TR, 0x10000000);	/* set int trigger levels, UART0 is EDGE */
+	mtdcr (UIC0VCR, 0x00000001);	/* set vect base=0,INT0 highest priority */
+	mtdcr (UIC0SR, 0xFFFFFFFF);	/* clear all ints */
 
 	mtdcr (CPC0_CR0, 0x00002000);	/* set IRQ6 as GPIO23 to generate an interrupt request to the PCP2PCI bridge */