package/qt5: enable for nios2

The double-conversion support for nios2 is already enabled
by commit [1], so drop dependency on !BR2_nios2.

[1] https://git.buildroot.net/buildroot/commit/?id=e2fdb41f711db8894f9c5c83f32250728d4c3aa9

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/qt5/Config.in

@@ -13,7 +13,7 @@ config BR2_PACKAGE_QT5_JSCORE_AVAILABLE
 
 comment "Qt5 needs a toolchain w/ gcc >= 4.8, wchar, NPTL, C++, dynamic library"
 	depends on !BR2_ARM_CPU_ARMV4
-	depends on !BR2_arc && !BR2_nios2 && !BR2_xtensa
+	depends on !BR2_arc && !BR2_xtensa
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || \
 		!BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS || \
 		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
@@ -26,7 +26,7 @@ menuconfig BR2_PACKAGE_QT5
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
 	depends on !BR2_ARM_CPU_ARMV4 # needs ARMv5+
 	# no built-in double-conversion support
-	depends on !BR2_arc && !BR2_nios2 && !BR2_xtensa
+	depends on !BR2_arc && !BR2_xtensa
 	depends on !BR2_STATIC_LIBS
 	select BR2_PACKAGE_QT5BASE
 	help