Add LM3S6965 NSH configuration + Prep for 5.5 release

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2659 42af7a65-404d-4744-a932-0658087f49c3

include/nuttx/spi.h

@@ -307,7 +307,8 @@ enum spi_dev_e
   SPIDEV_NONE = 0,  /* Not a valid value */
   SPIDEV_MMCSD,     /* Select SPI MMC/SD device */
   SPIDEV_FLASH,     /* Select SPI FLASH device */
-  SPIDEV_ETHERNET   /* Select SPI ethernet device */
+  SPIDEV_ETHERNET,  /* Select SPI ethernet device */
+  SPIDEV_DISPLAY    /* Select SPI LCD/OLED display device */
 };
 
 /* Certain SPI devices may required differnt clocking modes */