platform/x86: asus_wmi: remove redundant initialization of variable status

The variable status is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/asus-wmi.c

@@ -309,7 +309,7 @@ static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
 	struct acpi_buffer input;
 	u64 phys_addr;
 	u32 retval;
-	u32 status = -1;
+	u32 status;
 
 	/*
 	 * Copy to dma capable address otherwise memory corruption occurs as