lib: Move kms stuff from drmtest.c over to igt_kms.c

This makes cairo dependencies easier to handle. Otherwise, we
would have to litter drmtest all over with "#ifndef ANDROID"

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
[danvet: Add missing _GNU_SOURCE to igt_kms.c and missing include to
intel_sprite_on.c]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

tests/kms_cursor_crc.c

@@ -33,6 +33,7 @@
 
 #include "drmtest.h"
 #include "igt_debugfs.h"
+#include "igt_kms.h"
 
 enum cursor_type {
 	WHITE_VISIBLE,

tests/kms_flip.c

@@ -40,6 +40,7 @@
 #include "drmtest.h"
 #include "testdisplay.h"
 #include "rendercopy.h"
+#include "igt_kms.h"
 
 #define TEST_DPMS		(1 << 0)
 #define TEST_WITH_DUMMY_BCS	(1 << 1)

tests/kms_pipe_crc_basic.c

@@ -31,6 +31,7 @@
 
 #include "drmtest.h"
 #include "igt_debugfs.h"
+#include "igt_kms.h"
 
 typedef struct {
 	struct kmstest_connector_config config;

tests/kms_render.c

@@ -36,6 +36,7 @@
 #include "intel_bufmgr.h"
 #include "intel_batchbuffer.h"
 #include "intel_gpu_tools.h"
+#include "igt_kms.h"
 
 drmModeRes *resources;
 int drm_fd;

tests/kms_setmode.c

@@ -38,6 +38,7 @@
 #include "intel_bufmgr.h"
 #include "intel_batchbuffer.h"
 #include "intel_gpu_tools.h"
+#include "igt_kms.h"
 
 #define MAX_CONNECTORS  10
 #define MAX_CRTCS       3

tests/pm_pc8.c

@@ -45,6 +45,7 @@
 #include "intel_batchbuffer.h"
 #include "intel_gpu_tools.h"
 #include "i915_drm.h"
+#include "igt_kms.h"
 
 #define MSR_PC8_RES	0x630
 #define MSR_PC9_RES	0x631

tests/testdisplay.c

@@ -65,6 +65,7 @@
 #include "i915_drm.h"
 #include "drmtest.h"
 #include "testdisplay.h"
+#include "igt_kms.h"
 
 #include <stdlib.h>
 #include <signal.h>