mplayer: introduce a BR2_PACKAGE_MPLAYER_ARCH_SUPPORTS option

In order to allow other packages to easily select mplayer without
duplicating its complicated architecture dependencies, this commit
introduces a BR2_PACKAGE_MPLAYER_ARCH_SUPPORTS blind option.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mplayer/Config.in

@@ -1,10 +1,15 @@
-config BR2_PACKAGE_MPLAYER
-	bool "mplayer"
+config BR2_PACKAGE_MPLAYER_ARCH_SUPPORTS
+	bool
+	default y
 	# Those architectures are not supported by MPlayer
 	depends on !(BR2_bfin || BR2_sh2a || BR2_sh4a || BR2_sh4aeb \
 		|| BR2_microblaze || BR2_aarch64 || BR2_nios2)
 	# Broken support for <ARMv5
 	depends on !BR2_ARM_CPU_ARMV4
+
+config BR2_PACKAGE_MPLAYER
+	bool "mplayer"
+	depends on BR2_PACKAGE_MPLAYER_ARCH_SUPPORTS
 	help
 	  MPlayer is a movie player which runs on many systems and supports
 	  many different file formats.