package/gcr: depends on !gnupg

Since gcr selects gnupg2, it's incompatible with gnupg. Add this
dependency and corresponding comment.

While we're at it, also hide the existing comment when
!BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 5783a418f4b30931068b81f850fc06cd8d3d9732)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gcr/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_GCR
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2
 	depends on BR2_USE_MMU # libglib2
 	depends on !BR2_STATIC_LIBS # p11-kit
+	depends on !BR2_PACKAGE_GNUPG # gnupg2
 	select BR2_PACKAGE_GNUPG2 # runtime
 	select BR2_PACKAGE_LIBGCRYPT
 	select BR2_PACKAGE_LIBGLIB2
@@ -15,6 +16,15 @@ config BR2_PACKAGE_GCR
 	  https://developer.gnome.org/gcr/
 
 comment "gcr needs a toolchain w/ wchar, threads, dynamic library"
+	depends on BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
 		BR2_STATIC_LIBS
+
+comment "gcr is incompatible with gnupg, gnupg2 only"
+	depends on BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS
+	depends on BR2_USE_WCHAR
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_PACKAGE_GNUPG # gnupg2