Replace "depends on PLATFORM_LINUX" with "select PLATFORM_LINUX"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/nandwrite.c b/miscutils/nandwrite.c
index c5e2fb8..c7fbe7d 100644
--- a/miscutils/nandwrite.c
+++ b/miscutils/nandwrite.c
@@ -17,14 +17,14 @@
 //config:config NANDWRITE
 //config:	bool "nandwrite"
 //config:	default n
-//config:	depends on PLATFORM_LINUX
+//config:	select PLATFORM_LINUX
 //config:	help
 //config:	  Write to the specified MTD device, with bad blocks awareness
 //config:
 //config:config NANDDUMP
 //config:	bool "nanddump"
 //config:	default n
-//config:	depends on PLATFORM_LINUX
+//config:	select PLATFORM_LINUX
 //config:	help
 //config:	  Dump the content of raw NAND chip