gemini: Fix device name for StorLink SL93512r

This has been reported by Chen Minqiang (@ptpt52).

Reported-by: Chen Minqiang <ptpt52@gmail.com>
Fixes: 18e2053bec ("gemini: Add StorLink SL93512r images")
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [Added tags]

target/linux/gemini/image/Makefile

@@ -187,7 +187,7 @@ define Device/raidsonic_ib-4220-b
 endef
 TARGET_DEVICES += raidsonic_ib-4220-b
 
-define Device/storlink-sl93512r
+define Device/storlink_sl93512r
 	$(Device/storlink-reference)
 	DEVICE_TITLE := StorLink SL93512r
 	DEVICE_DTS := gemini-sl93512r