drm/msm/dsi: fix wrong type in msm_dsi_host

drm/msm/dsi: fix wrong type in msm_dsi_host

[ Upstream commit 409af447c2a0a6e08ba190993a1153c91d3b11bd ]

Change byte_clk_rate, pixel_clk_rate, esc_clk_rate, and src_clk_rate
from u32 to unsigned long, since clk_get_rate() returns an unsigned long.

Fixes: a6bcddbc2ee1 ("drm/msm: dsi: Handle dual-channel for 6G as well")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jessica Zhang <jesszhan@codeaurora.org>
Link: https://lore.kernel.org/r/20211020183438.32263-1-jesszhan@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>