mb/*/*/Kconfig: Remove useless comment

Change-Id: Ibdff50761a205d936b0ebe067f418be0a2051798
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/29871
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hellsenberg <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: David Guckian
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
diff --git a/src/mainboard/roda/rk9/Kconfig b/src/mainboard/roda/rk9/Kconfig
index 8f3e51a..fd29739 100644
--- a/src/mainboard/roda/rk9/Kconfig
+++ b/src/mainboard/roda/rk9/Kconfig
@@ -1,6 +1,6 @@
 if BOARD_RODA_RK9
 
-config BOARD_SPECIFIC_OPTIONS # dummy
+config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select SYSTEM_TYPE_LAPTOP
 	select CPU_INTEL_SOCKET_BGA956