clk: qcom: dispcc-sm8750: Allow dumping regmap

Reading few registers at the end of the block (e.g. 0x10000, 0x10004)
results in synchronous external abort, so limit the regmap to the last
readable register which allows dumping the regs for debugging.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: krzk

drivers/clk/qcom/dispcc-sm8750.c

@@ -1883,7 +1883,7 @@ static const struct regmap_config disp_cc_sm8750_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = 0x11014,
+	.max_register = 0xf004, /* 0x10000, 0x10004 and maybe others are for TZ */
 	.fast_io = true,
 };