Clean up trailing whitespace in the kernel headers.

And fix the scripts so they stop letting trailing whitespace through.

Change-Id: Ie109fbe1f63321e565ba0fa60fee8e9cf3a61cfc
diff --git a/libc/kernel/arch-mips/asm/mips-boards/msc01_pci.h b/libc/kernel/arch-mips/asm/mips-boards/msc01_pci.h
index 6235847..4f40273 100644
--- a/libc/kernel/arch-mips/asm/mips-boards/msc01_pci.h
+++ b/libc/kernel/arch-mips/asm/mips-boards/msc01_pci.h
@@ -36,25 +36,25 @@
 #define MSC01_PCI_CFGDATA_OFS 0x0618
 #define MSC01_PCI_IACK_OFS 0x0620
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MSC01_PCI_HEAD0_OFS 0x2000  
-#define MSC01_PCI_HEAD1_OFS 0x2008  
-#define MSC01_PCI_HEAD2_OFS 0x2010  
-#define MSC01_PCI_HEAD3_OFS 0x2018  
+#define MSC01_PCI_HEAD0_OFS 0x2000
+#define MSC01_PCI_HEAD1_OFS 0x2008
+#define MSC01_PCI_HEAD2_OFS 0x2010
+#define MSC01_PCI_HEAD3_OFS 0x2018
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MSC01_PCI_HEAD4_OFS 0x2020  
-#define MSC01_PCI_HEAD5_OFS 0x2028  
-#define MSC01_PCI_HEAD6_OFS 0x2030  
-#define MSC01_PCI_HEAD7_OFS 0x2038  
+#define MSC01_PCI_HEAD4_OFS 0x2020
+#define MSC01_PCI_HEAD5_OFS 0x2028
+#define MSC01_PCI_HEAD6_OFS 0x2030
+#define MSC01_PCI_HEAD7_OFS 0x2038
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MSC01_PCI_HEAD8_OFS 0x2040  
-#define MSC01_PCI_HEAD9_OFS 0x2048  
-#define MSC01_PCI_HEAD10_OFS 0x2050  
-#define MSC01_PCI_HEAD11_OFS 0x2058  
+#define MSC01_PCI_HEAD8_OFS 0x2040
+#define MSC01_PCI_HEAD9_OFS 0x2048
+#define MSC01_PCI_HEAD10_OFS 0x2050
+#define MSC01_PCI_HEAD11_OFS 0x2058
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MSC01_PCI_HEAD12_OFS 0x2060  
-#define MSC01_PCI_HEAD13_OFS 0x2068  
-#define MSC01_PCI_HEAD14_OFS 0x2070  
-#define MSC01_PCI_HEAD15_OFS 0x2078  
+#define MSC01_PCI_HEAD12_OFS 0x2060
+#define MSC01_PCI_HEAD13_OFS 0x2068
+#define MSC01_PCI_HEAD14_OFS 0x2070
+#define MSC01_PCI_HEAD15_OFS 0x2078
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSC01_PCI_BAR0_OFS 0x2220
 #define MSC01_PCI_CFG_OFS 0x2380