dell-laptop: Fixed typo in touchpad LED quirk

Fixed the typo introduced from the below commit
5f1e88f4 dell-laptop: Add 6 machines to touchpad led quirk
Reported-by: NCarlos Alberto Lopez Perez <clopez@igalia.com>
Signed-off-by: NAceLan Kao <acelan.kao@canonical.com>
Signed-off-by: NMatthew Garrett <mjg@redhat.com>

drivers/platform/x86/dell-laptop.c

@@ -211,7 +211,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5420",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5420"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5420"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -220,7 +220,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5520",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5520"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5520"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -229,7 +229,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 5720",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5720"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5720"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7420",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7420"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7420"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -247,7 +247,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7520",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7520"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},
@@ -256,7 +256,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
 		.ident = "Dell Inspiron 7720",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7720"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7720"),
 		},
 		.driver_data = &quirk_dell_vostro_v130,
 	},