i915g: Add missing egl pipe file

src/gallium/targets/egl/pipe_i915.c

@@ -0,0 +1,28 @@
+
+#include "target-helpers/inline_wrapper_sw_helper.h"
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "i915/drm/i915_drm_public.h"
+#include "i915/i915_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct brw_winsys_screen *bws;
+   struct pipe_screen *screen;
+
+   bws = i915_drm_winsys_screen_create(fd);
+   if (!bws)
+      return NULL;
+
+   screen = i915_screen_create(bws);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("i915", "i915", create_screen)