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/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index a9c2a6f..f4090f4 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -44,29 +44,29 @@
 	/*--------------------------------------------------------------------
 	 * Setup the interrupt controller polarities, triggers, etc.
 	 *-------------------------------------------------------------------*/
-	mtdcr(uic0sr, 0xffffffff);  /* clear all. if write with 1 then the status is cleared  */
-	mtdcr(uic0er, 0x00000000);  /* disable all */
-	mtdcr(uic0cr, 0x00000000);  /* we have not critical interrupts at the moment */
-	mtdcr(uic0pr, 0xFFBFF1EF);  /* Adjustment of the polarity */
-	mtdcr(uic0tr, 0x00000900);  /* per ref-board manual */
-	mtdcr(uic0vr, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
-	mtdcr(uic0sr, 0xffffffff);  /* clear all */
+	mtdcr(UIC0SR, 0xffffffff);  /* clear all. if write with 1 then the status is cleared  */
+	mtdcr(UIC0ER, 0x00000000);  /* disable all */
+	mtdcr(UIC0CR, 0x00000000);  /* we have not critical interrupts at the moment */
+	mtdcr(UIC0PR, 0xFFBFF1EF);  /* Adjustment of the polarity */
+	mtdcr(UIC0TR, 0x00000900);  /* per ref-board manual */
+	mtdcr(UIC0VR, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
+	mtdcr(UIC0SR, 0xffffffff);  /* clear all */
 
-	mtdcr(uic1sr, 0xffffffff);  /* clear all */
-	mtdcr(uic1er, 0x00000000);  /* disable all */
-	mtdcr(uic1cr, 0x00000000);  /* all non-critical */
-	mtdcr(uic1pr, 0xFFFFC6A5);  /* Adjustment of the polarity */
-	mtdcr(uic1tr, 0x60000040);  /* per ref-board manual */
-	mtdcr(uic1vr, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
-	mtdcr(uic1sr, 0xffffffff);  /* clear all */
+	mtdcr(UIC1SR, 0xffffffff);  /* clear all */
+	mtdcr(UIC1ER, 0x00000000);  /* disable all */
+	mtdcr(UIC1CR, 0x00000000);  /* all non-critical */
+	mtdcr(UIC1PR, 0xFFFFC6A5);  /* Adjustment of the polarity */
+	mtdcr(UIC1TR, 0x60000040);  /* per ref-board manual */
+	mtdcr(UIC1VR, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
+	mtdcr(UIC1SR, 0xffffffff);  /* clear all */
 
-	mtdcr(uic2sr, 0xffffffff);  /* clear all */
-	mtdcr(uic2er, 0x00000000);  /* disable all */
-	mtdcr(uic2cr, 0x00000000);  /* all non-critical */
-	mtdcr(uic2pr, 0x27C00000);  /* Adjustment of the polarity */
-	mtdcr(uic2tr, 0x3C000000);  /* per ref-board manual */
-	mtdcr(uic2vr, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
-	mtdcr(uic2sr, 0xffffffff);  /* clear all */
+	mtdcr(UIC2SR, 0xffffffff);  /* clear all */
+	mtdcr(UIC2ER, 0x00000000);  /* disable all */
+	mtdcr(UIC2CR, 0x00000000);  /* all non-critical */
+	mtdcr(UIC2PR, 0x27C00000);  /* Adjustment of the polarity */
+	mtdcr(UIC2TR, 0x3C000000);  /* per ref-board manual */
+	mtdcr(UIC2VR, 0x00000000);  /* int31 highest, base=0x000 is within DDRAM */
+	mtdcr(UIC2SR, 0xffffffff);  /* clear all */
 
 	/* Trace Pins are disabled. SDR0_PFC0 Register */
 	mtsdr(SDR0_PFC0, 0x0);