spmi: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/spmi/hisi-spmi-controller.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/spmi/spmi-pmic-arb.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240609-md-drivers-spmi-v1-1-f1d5b24e7a66@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: jeff-t-johnson

drivers/spmi/hisi-spmi-controller.c

@@ -344,6 +344,7 @@ static void __exit spmi_controller_exit(void)
 }
 module_exit(spmi_controller_exit);
 
+MODULE_DESCRIPTION("Hisilicon 3670 SPMI Controller driver");
 MODULE_LICENSE("GPL v2");
 MODULE_VERSION("1.0");
 MODULE_ALIAS("platform:spmi_controller");

drivers/spmi/spmi-pmic-arb.c

@@ -1891,5 +1891,6 @@ static struct platform_driver spmi_pmic_arb_driver = {
 };
 module_platform_driver(spmi_pmic_arb_driver);
 
+MODULE_DESCRIPTION("Qualcomm MSM SPMI Controller (PMIC Arbiter) driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:spmi_pmic_arb");