pinctrl: ocelot: add help and description information to ocelot pinctrl kconfig

Add missed help information and module export name to the Microsemi Ocelot
and Jaguar2 SoC.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Link: https://lore.kernel.org/r/20220909153802.3370088-1-colin.foster@in-advantage.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/Kconfig

@@ -335,6 +335,11 @@ config PINCTRL_OCELOT
 	select GENERIC_PINMUX_FUNCTIONS
 	select OF_GPIO
 	select REGMAP_MMIO
+	help
+	  Support for the internal GPIO interfaces on Microsemi Ocelot and
+	  Jaguar2 SoCs.
+
+	  If conpiled as a module, the module name will be pinctrl-ocelot.
 
 config PINCTRL_OXNAS
 	bool

drivers/pinctrl/pinctrl-ocelot.c

@@ -2052,4 +2052,6 @@ static struct platform_driver ocelot_pinctrl_driver = {
 	.probe = ocelot_pinctrl_probe,
 };
 module_platform_driver(ocelot_pinctrl_driver);
+
+MODULE_DESCRIPTION("Ocelot Chip Pinctrl Driver");
 MODULE_LICENSE("Dual MIT/GPL");