configure: Only require libdrm 2.4.75 for intel.

Fixes: b8acb6b17981 ("configure: Require libdrm >= 2.4.75")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Acked-by: Dave Airlie <airlied@redhat.com>
diff --git a/configure.ac b/configure.ac
index 92339b4..d4302bf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -67,10 +67,10 @@
 AC_SUBST([OPENCL_VERSION])
 
 dnl Versions for external dependencies
-LIBDRM_REQUIRED=2.4.75
+LIBDRM_REQUIRED=2.4.66
 LIBDRM_RADEON_REQUIRED=2.4.56
 LIBDRM_AMDGPU_REQUIRED=2.4.63
-LIBDRM_INTEL_REQUIRED=2.4.61
+LIBDRM_INTEL_REQUIRED=2.4.75
 LIBDRM_NVVIEUX_REQUIRED=2.4.66
 LIBDRM_NOUVEAU_REQUIRED=2.4.66
 LIBDRM_FREEDRENO_REQUIRED=2.4.74