rtl8192se-firmware: fix package build

The package did not pack the firmware because of a problem which looks
like a copy and past error.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/firmware/linux-firmware/realtek.mk

@@ -43,7 +43,7 @@ endef
 $(eval $(call BuildPackage,rtl8192de-firmware))
 
 Package/rtl8192se-firmware = $(call Package/firmware-default,RealTek RTL8192SE firmware)
-define KernelPackage/rtl8192se/install
+define Package/rtl8192se-firmware/install
 	$(INSTALL_DIR) $(1)/lib/firmware/rtlwifi
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/rtlwifi/rtl8192sefw.bin $(1)/lib/firmware/rtlwifi
 endef