hwmon: (dell-smm) Pack the whole smm_regs struct

When desiring the whole struct to be packed, __packed
should be applied to the whole struct, not just
every struct member except the first one.

Tested on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20211221162805.104202-1-W_Armin@gmx.deSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/dell-smm-hwmon.c

@@ -113,12 +113,12 @@ MODULE_PARM_DESC(fan_max, "Maximum configurable fan speed (default: autodetect)"
 
 struct smm_regs {
 	unsigned int eax;
-	unsigned int ebx __packed;
-	unsigned int ecx __packed;
-	unsigned int edx __packed;
-	unsigned int esi __packed;
-	unsigned int edi __packed;
-};
+	unsigned int ebx;
+	unsigned int ecx;
+	unsigned int edx;
+	unsigned int esi;
+	unsigned int edi;
+} __packed;
 
 static const char * const temp_labels[] = {
 	"CPU",