hwmon: (dell-smm) Add Dell OptiPlex 7060 to DMI table

The BIOS on this machine is buggy and will in some cases return
an error when trying to get the fan state, but reading of the
RPM values and the temperature sensors still works.

Closes: https://github.com/vitorafsr/i8kutils/issues/38
Signed-off-by: Armin Wolf <[e-mail]>
Acked-by: Pali Rohár <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>

Documentation/hwmon/dell-smm-hwmon.rst

···
 ======================================================= =================
 Reading of fan states return spurious errors.           Precision 490
 
+                                                        OptiPlex 7060
+
 Reading of fan types causes erratic fan behaviour.      Studio XPS 8000
 
                                                         Studio XPS 8100

drivers/hwmon/dell-smm-hwmon.c

···
 		},
 	},
 	{
+		.ident = "Dell OptiPlex 7060",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "OptiPlex 7060"),
+		},
+	},
+	{
 		.ident = "Dell Precision",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),