platform/chrome: chromeos_tbmc - Remove unneeded const

Clang warns:

drivers/platform/chrome/chromeos_tbmc.c:102:14: warning: duplicate
'const' declaration specifier [-Wduplicate-decl-specifier]
static const SIMPLE_DEV_PM_OPS(chromeos_tbmc_pm_ops, NULL,
             ^
./include/linux/pm.h:365:56: note: expanded from macro
'SIMPLE_DEV_PM_OPS'
                                                       ^
1 warning generated.

SIMPLE_DEV_PM_OPS is already declared as const, this one is unnecessary
so remove it.
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>

drivers/platform/chrome/chromeos_tbmc.c

@@ -99,7 +99,7 @@ static const struct acpi_device_id chromeos_tbmc_acpi_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, chromeos_tbmc_acpi_device_ids);
 
-static const SIMPLE_DEV_PM_OPS(chromeos_tbmc_pm_ops, NULL,
+static SIMPLE_DEV_PM_OPS(chromeos_tbmc_pm_ops, NULL,
 		chromeos_tbmc_resume);
 
 static struct acpi_driver chromeos_tbmc_driver = {