SPARC: Remove

The SPARC architecture is currently unmaintained, remove.

Cc: Francois Retief <fgretief@spaceteq.co.za>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/common/Kconfig b/common/Kconfig
index 0beeb0e..1e0c627 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -387,7 +387,7 @@
 
 config DISPLAY_BOARDINFO
 	bool "Display information about the board during start up"
-	default y if ARM || M68K || MIPS || PPC || SPARC || XTENSA
+	default y if ARM || M68K || MIPS || PPC || XTENSA
 	help
 	  Display information about the board that U-Boot is running on
 	  when U-Boot starts up. The board function checkboard() is called