libdrm: upgrade to 2.4.26

(From OE-Core rev: 4855794c2c329bcd1b1642caf43cb48616d5e95d)

Signed-off-by: Yu Ke <ke.yu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/drm/libdrm/installtests.patch

@@ -0,0 +1,49 @@
+tests: also install tests app
+
+Upstream-Status: Inappropriate [configuration]
+
+Signed-off-by: Yu Ke <ke.yu@intel.com>
+
+diff --git a/tests/Makefile.am b/tests/Makefile.am
+index bf1987f..d909e19 100644
+--- a/tests/Makefile.am
++++ b/tests/Makefile.am
+@@ -6,10 +6,11 @@ AM_CPPFLAGS = \
+ 
+ LDADD = $(top_builddir)/libdrm.la
+ 
+-check_PROGRAMS = \
++bin_PROGRAMS = \
+ 	dristat \
+ 	drmstat
+ 
++check_PROGRAMS =
+ SUBDIRS = modeprint
+ 
+ if HAVE_LIBKMS
+diff --git a/tests/modeprint/Makefile.am b/tests/modeprint/Makefile.am
+index c4862ac..7db76ea 100644
+--- a/tests/modeprint/Makefile.am
++++ b/tests/modeprint/Makefile.am
+@@ -2,7 +2,7 @@ AM_CFLAGS = \
+ 	-I$(top_srcdir)/include/drm \
+ 	-I$(top_srcdir)
+ 
+-noinst_PROGRAMS = \
++bin_PROGRAMS = \
+ 	modeprint
+ 
+ modeprint_SOURCES = \
+diff --git a/tests/modetest/Makefile.am b/tests/modetest/Makefile.am
+index 2191242..1d2c1b0 100644
+--- a/tests/modetest/Makefile.am
++++ b/tests/modetest/Makefile.am
+@@ -4,7 +4,7 @@ AM_CFLAGS = \
+ 	-I$(top_srcdir) \
+ 	$(CAIRO_CFLAGS)
+ 
+-noinst_PROGRAMS = \
++bin_PROGRAMS = \
+ 	modetest
+ 
+ modetest_SOURCES = \