package/intel-gmmlib: needs threads

threads are mandatory since version 19.1.1 and
https://github.com/intel/gmmlib/commit/9e4aa143fb7e7e87332fcb7c9871040ff4a1a1da
resulting in the following build failure since commit
cd206d9b808a322a00294b4caad203a892ed4c92:

CMake Error at /home/thomas/autobuild/instance-2/output-1/host/share/cmake-3.22/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
  Could NOT find Threads (missing: Threads_FOUND)

Fixes:
 - http://autobuild.buildroot.org/results/c1120932e8c212820b239ee8cd4a057623a73376

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/intel-gmmlib/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_INTEL_GMMLIB
 	depends on BR2_x86_64
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  The Intel(R) Graphics Memory Management Library provides
 	  device specific and buffer management for the Intel(R)
@@ -11,5 +12,6 @@ config BR2_PACKAGE_INTEL_GMMLIB
 
 	  https://github.com/intel/gmmlib
 
-comment "intel-gmmlib needs a toolchain w/ dynamic library, C++"
-	depends on BR2_STATIC_LIBS || !BR2_INSTALL_LIBSTDCPP
+comment "intel-gmmlib needs a toolchain w/ dynamic library, C++, threads"
+	depends on BR2_STATIC_LIBS || !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_HAS_THREADS

package/intel-mediadriver/Config.in

@@ -4,7 +4,7 @@ config BR2_PACKAGE_INTEL_MEDIADRIVER
 	depends on !BR2_STATIC_LIBS # mesa3d, libva
 	depends on BR2_INSTALL_LIBSTDCPP # intel-gmmlib, mesa3d
 	depends on BR2_TOOLCHAIN_HAS_SYNC_1 # mesa3d
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libva
+	depends on BR2_TOOLCHAIN_HAS_THREADS # intel-gmmlib, libva
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # mesa3d
 	select BR2_PACKAGE_INTEL_GMMLIB
 	select BR2_PACKAGE_LIBPCIACCESS