platform/x86: thinkpad_acpi: fix spelling mistake "capabilites" -> "capabilities"

There is a spelling mistake in a module parameter description. Fix it.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Reviewed-by: NMukesh Ojha <mojha@codeaurora.org>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/thinkpad_acpi.c

@@ -10269,7 +10269,7 @@ MODULE_PARM_DESC(volume_mode,
 
 module_param_named(volume_capabilities, volume_capabilities, uint, 0444);
 MODULE_PARM_DESC(volume_capabilities,
-		 "Selects the mixer capabilites: 0=auto, 1=volume and mute, 2=mute only");
+		 "Selects the mixer capabilities: 0=auto, 1=volume and mute, 2=mute only");
 
 module_param_named(volume_control, volume_control_allowed, bool, 0444);
 MODULE_PARM_DESC(volume_control,