soc: add missing MODULE_DESCRIPTION() macros

With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/imx/soc-imx8m.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/ixp4xx/ixp4xx-qmgr.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/ixp4xx/ixp4xx-npe.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/mediatek/mtk-cmdq-helper.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/amlogic/meson-clk-measure.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # for amlogic/meson-clk-measure.c
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240625-md-drivers-soc-v2-1-8bc7c03e3e69@quicinc.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/soc/amlogic/meson-clk-measure.c

@@ -688,4 +688,5 @@ static struct platform_driver meson_msr_driver = {
 	},
 };
 module_platform_driver(meson_msr_driver);
+MODULE_DESCRIPTION("Amlogic Meson SoC Clock Measure driver");
 MODULE_LICENSE("GPL v2");

drivers/soc/imx/soc-imx8m.c

@@ -252,4 +252,5 @@ free_soc:
 	return ret;
 }
 device_initcall(imx8_soc_init);
+MODULE_DESCRIPTION("NXP i.MX8M SoC driver");
 MODULE_LICENSE("GPL");

drivers/soc/ixp4xx/ixp4xx-npe.c

@@ -764,6 +764,7 @@ static struct platform_driver ixp4xx_npe_driver = {
 module_platform_driver(ixp4xx_npe_driver);
 
 MODULE_AUTHOR("Krzysztof Halasa");
+MODULE_DESCRIPTION("Intel IXP4xx Network Processor Engine driver");
 MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE(NPE_A_FIRMWARE);
 MODULE_FIRMWARE(NPE_B_FIRMWARE);

drivers/soc/ixp4xx/ixp4xx-qmgr.c

@@ -465,6 +465,7 @@ static struct platform_driver ixp4xx_qmgr_driver = {
 };
 module_platform_driver(ixp4xx_qmgr_driver);
 
+MODULE_DESCRIPTION("Intel IXP4xx Queue Manager driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Krzysztof Halasa");
 

drivers/soc/mediatek/mtk-cmdq-helper.c

@@ -526,4 +526,5 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
 }
 EXPORT_SYMBOL(cmdq_pkt_finalize);
 
+MODULE_DESCRIPTION("MediaTek Command Queue (CMDQ) driver");
 MODULE_LICENSE("GPL v2");