drm/hisilicon: include drm/drm_edid.h only where needed

Reduce the need for rebuilds when drm_edid.h is modified by including it
only where needed.

Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Tian Tao  <tiantao6@hisilicon.com>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Yongqin Liu <yongqin.liu@linaro.org>
Cc: John Stultz <jstultz@google.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240104201632.1100753-2-jani.nikula@intel.com

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

@@ -18,7 +18,6 @@
 #include <linux/i2c-algo-bit.h>
 #include <linux/i2c.h>
 
-#include <drm/drm_edid.h>
 #include <drm/drm_framebuffer.h>
 
 struct hibmc_connector {

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c

@@ -14,6 +14,7 @@
 #include <linux/io.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_edid.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_print.h>
 #include <drm/drm_simple_kms_helper.h>