Strip trailing whitespace from source files

Performed with: `git ls-files | xargs perl -i -p -e 's{[ \t]+$}{}'`

`git diff -w` & `git diff -b` show no diffs from this change

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/driver/xf86-video-r128/-/merge_requests/19>

.gitignore

@@ -71,8 +71,8 @@ core
 *.tar.bz2
 *.tar.gz
 #
-#		Add & Override patterns for xf86-video-r128 
+#		Add & Override patterns for xf86-video-r128
 #
 #		Edit the following section as needed
 # For example, !report.pc overrides *.pc. See 'man gitignore'
-# 
+#

src/atipcirename.h

@@ -31,7 +31,7 @@
 
 enum region_type {
     REGION_MEM,
-    REGION_IO 
+    REGION_IO
 };
 
 #include <stdint.h>

src/r128_driver.c

@@ -866,8 +866,8 @@ static Bool R128PreInitConfig(ScrnInfoPtr pScrn)
 	case PCI_CHIP_RAGE128LE:
 	case PCI_CHIP_RAGE128LF:
 	case PCI_CHIP_RAGE128MF:
-	case PCI_CHIP_RAGE128ML: 
-			info->HasPanelRegs = TRUE;  
+	case PCI_CHIP_RAGE128ML:
+			info->HasPanelRegs = TRUE;
 			/* which chips support dualhead? */
 			pR128Ent->HasCRTC2 = TRUE;
 			break;