ath10k-firmware: Fix two more typos

Actually tested with a local build instead of with scp'ing the firmware.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/firmware/ath10k-firmware/Makefile

@@ -442,14 +442,14 @@ define Package/ath10k-firmware-qca6174/install
 	$(INSTALL_DATA) \
 		$(PKG_BUILD_DIR)/QCA6174/hw2.1/board-2.bin \
 		$(1)/lib/firmware/ath10k/QCA6174/hw2.1/
-	$(INSTALL_DATA)
+	$(INSTALL_DATA) \
 		$(PKG_BUILD_DIR)/QCA6174/hw2.1/firmware-5.bin_SW_RM.1.1.1-00157-QCARMSWPZ-1 \
 		$(1)/lib/firmware/ath10k/QCA6174/hw2.1/firmware-5.bin
 	$(INSTALL_DIR) $(1)/lib/firmware/ath10k/QCA6174/hw3.0
 	$(INSTALL_DATA) \
 		$(PKG_BUILD_DIR)/QCA6174/hw3.0/board-2.bin \
 		$(1)/lib/firmware/ath10k/QCA6174/hw3.0/
-	$(INSTALL_DATA)
+	$(INSTALL_DATA) \
 		$(PKG_BUILD_DIR)/QCA6174/hw3.0/4.4.1.c1/firmware-6.bin_RM.4.4.1.c1-00042-QCARMSWP-1 \
 		$(1)/lib/firmware/ath10k/QCA6174/hw3.0/firmware-6.bin
 endef