fix(mono): build on aarch64 (#1144)

Author: bryanforbes

package/mono/Config.in

@@ -2,11 +2,14 @@ config BR2_PACKAGE_HOST_MONO_ARCH_SUPPORTS
 	bool
 	default y if BR2_HOSTARCH = "x86_64"
 	default y if BR2_HOSTARCH = "x86"
+	# batocera : add aarch64
+	default y if BR2_HOSTARCH = "aarch64"
 
 config BR2_PACKAGE_MONO_ARCH_SUPPORTS
 	bool
+	# batocera : add riscv64
 	default y if (BR2_aarch64 || BR2_arm || BR2_armeb || \
-		      BR2_i386 || BR2_powerpc || BR2_x86_64)
+		      BR2_i386 || BR2_powerpc || BR2_x86_64 || BR2_RISCV_64)
 	depends on BR2_PACKAGE_HOST_MONO_ARCH_SUPPORTS
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS