tbs2910: use full name in Kconfig board selection

Signed-off-by: Soeren Moch <smoch@web.de>

arch/arm/cpu/armv7/mx6/Kconfig

@@ -129,7 +129,7 @@ config TARGET_SECOMX6
 	bool "secomx6 boards"
 
 config TARGET_TBS2910
-	bool "tbs2910"
+	bool "TBS2910 Matrix ARM mini PC"
 	select CPU_V7
 
 config TARGET_TITANIUM