clk: lpc32xx: Constify struct regmap_config

`lpc32xx_scb_regmap_config` is not modified and can be declared as const
to move its data to a read-only section.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240703-clk-const-regmap-v1-7-7d15a0671d6f@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/nxp/clk-lpc32xx.c

@@ -61,7 +61,7 @@
 #define LPC32XX_USB_CLK_CTRL		0xF4
 #define LPC32XX_USB_CLK_STS		0xF8
 
-static struct regmap_config lpc32xx_scb_regmap_config = {
+static const struct regmap_config lpc32xx_scb_regmap_config = {
 	.name = "scb",
 	.reg_bits = 32,
 	.val_bits = 32,