clk: sunxi-ng: v3s: Fix CSI1 MCLK clock name

The CSI1 MCLK clock is reported as "csi-mclk" while it is specific to
CSI1 as the name of the definition indicates. Fix it in the driver.

Fixes: d0f11d14 ("clk: sunxi-ng: add support for V3s CCU")
Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Reviewed-By: Icenowy Zheng <uwu@icenowy.me>
Link: https://patch.msgid.link/20250701201124.812882-4-paulk@sys-base.io


Signed-off-by: Chen-Yu Tsai <wens@csie.org>