Add 11.4 SSDK shell

Add SSDK shell from QSDK 11.4

SSDK shell is a companion application for the SSDK.
It provides manual tweaking and debug features.

Signed-off-by: Robert Marko <robimarko@gmail.com>

qca/qca-ssdk-shell/Makefile

@@ -0,0 +1,48 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=qca-ssdk-shell
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_SOURCE_URL:=https://source.codeaurora.org/quic/cc-qrdk/oss/ssdk-shell
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2021-01-27
+PKG_SOURCE_VERSION:=5661366d471a78314bc7010f985ad8cc15be832a
+PKG_MIRROR_HASH:=73111e09e896f0abbe3ee1c358aea7ec14fe5e668ce8753b8968e03c78f9599b
+
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/package.mk
+
+define Package/qca-ssdk-shell
+  SECTION:=QCA
+  CATEGORY:=Utilities
+  TITLE:=Shell application for QCA SSDK
+endef
+
+
+define Package/qca-ssdk-shell/Description
+  This package contains a qca-ssdk shell application for QCA chipset
+endef
+
+ifndef CONFIG_TOOLCHAIN_BIN_PATH
+CONFIG_TOOLCHAIN_BIN_PATH=$(TOOLCHAIN_DIR)/bin
+endif
+
+QCASSDK_CONFIG_OPTS+= TOOL_PATH=$(CONFIG_TOOLCHAIN_BIN_PATH) \
+                SYS_PATH=$(LINUX_DIR) \
+                TOOLPREFIX=$(TARGET_CROSS) \
+                KVER=$(LINUX_VERSION) \
+                CFLAGS="$(TARGET_CFLAGS)" \
+                LDFLAGS="$(TARGET_LDFLAGS)" \
+                ARCH=$(LINUX_KARCH)
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) $(strip $(QCASSDK_CONFIG_OPTS))
+endef
+
+define Package/qca-ssdk-shell/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/build/bin/ssdk_sh $(1)/usr/sbin/
+endef
+
+
+$(eval $(call BuildPackage,qca-ssdk-shell))