package/qemu: reenable Qemu user-land emulation for musl toolchains

Compatible "struct sigevent" added upstream in musl 1.2.2 [1].

[1] https://git.musl-libc.org/cgit/musl/commit/?id=7c71792e87691451f2a6b76348e83ad1889f1dcb

Signed-off-by: Joseph Burt <caseorum@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/qemu/Config.in

@@ -122,16 +122,11 @@ comment "systems emulation needs a toolchain w/ dynamic library"
 
 config BR2_PACKAGE_QEMU_LINUX_USER
 	bool "Enable Linux user-land emulation"
-	# Incompatible "struct sigevent" definition on musl
-	depends on !BR2_TOOLCHAIN_USES_MUSL
 	help
 	  Say 'y' to build Linux user-land emulators.
 
 # Note: bsd-user can not be build on Linux
 
-comment "Linux user-land emulation needs a glibc or uClibc toolchain"
-	depends on BR2_TOOLCHAIN_USES_MUSL
-
 config BR2_PACKAGE_QEMU_CHOOSE_TARGETS
 	bool "Select individual emulator targets"
 	depends on BR2_PACKAGE_QEMU_SYSTEM || BR2_PACKAGE_QEMU_LINUX_USER