Add GPIO register definitions

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1760 42af7a65-404d-4744-a932-0658087f49c3

arch/arm/src/lm3s/chip.h

@@ -45,6 +45,7 @@
 
 #include "lm3s_memorymap.h"     /* Memory map */
 #include "lm3s_syscontrol.h"    /* System control module */
+#include "lm3s_gpio.h"          /* GPIO module */
 
 /************************************************************************************
  * Definitions

arch/arm/src/lm3s/lm3s_syscontrol.h

@@ -81,7 +81,7 @@
 #define LM3S_SYSCON_DCGC2_OFFSET      0x128 /* Deep Sleep Mode Clock Gating Control Register 2 */
 #define LM3S_SYSCON_DSLPCLKCFG_OFFSET 0x144 /* Deep Sleep Clock Configuration*/
 #else
-#  error "Peripheral base addresses not specified for this LM3S chip"
+#  error "System control register offsets not specified for this LM3S chip"
 #endif
 
 /* System Control Register Addresses ************************************************/