trinity: refactor dependencies using BR2_PACKAGE_TRINITY_ARCH_SUPPORTS

In order to avoid duplicating architecture dependencies in the trinity
Config.in file, this commit introduces a
BR2_PACKAGE_TRINITY_ARCH_SUPPORTS Config.in variable.

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

package/trinity/Config.in

@@ -1,18 +1,20 @@
-config BR2_PACKAGE_TRINITY
-	bool "trinity"
+config BR2_PACKAGE_TRINITY_ARCH_SUPPORTS
+	bool
+	default y
 	depends on BR2_USE_MMU # fork()
-	depends on !BR2_TOOLCHAIN_USES_MUSL # FTW_ACTIONRETVAL
 	depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 || \
 		BR2_mips || BR2_mipsel || BR2_powerpc || BR2_powerpc64 || \
 		BR2_powerpc64le || BR2_sparc || BR2_x86_64
+
+config BR2_PACKAGE_TRINITY
+	bool "trinity"
+	depends on BR2_PACKAGE_TRINITY_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_USES_MUSL # FTW_ACTIONRETVAL
 	help
 	  A Linux System call fuzz tester
 
 	  http://codemonkey.org.uk/projects/trinity/
 
 comment "trinity needs a uClibc or glibc toolchain"
-	depends on BR2_USE_MMU
+	depends on BR2_PACKAGE_TRINITY_ARCH_SUPPORTS
 	depends on BR2_TOOLCHAIN_USES_MUSL
-	depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 || \
-		BR2_mips || BR2_mipsel || BR2_powerpc || BR2_powerpc64 || \
-		BR2_powerpc64le || BR2_sparc || BR2_x86_64