clk: bcm: rpi: Add ISP to exported clocks

The ISP clock can be controlled by the driver, so register it
with the clock subsystem.

Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20250116-bcm2712-clk-updates-v1-1-10bc92ffbf41@raspberrypi.com
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: popcornmix

drivers/clk/bcm/clk-raspberrypi.c

@@ -118,6 +118,9 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = {
 	[RPI_FIRMWARE_HEVC_CLK_ID] = {
 		.export = true,
 	},
+	[RPI_FIRMWARE_ISP_CLK_ID] = {
+		.export = true,
+	},
 	[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = {
 		.export = true,
 	},