i2csfp: add package

Add i2csfp utility which comes handy when dealing with some SFP modules.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

utils/i2csfp/Makefile

@@ -0,0 +1,41 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=i2csfp
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2024-06-16
+PKG_SOURCE_VERSION:=da2c7582933d0eb76bad1c86d1252d200a702596
+PKG_SOURCE_URL:=https://github.com/ericwoud/i2csfp
+PKG_MIRROR_HASH:=4cf100018e7c8510f334b9f14968a063a3cabc3b505d4b4abe1f11e2b74389ae
+
+PKG_LICENSE:=GPL-3.0
+PKG_LICENSE_FILES:=LICENSE
+PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/i2csfp
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=I2C SFP utility
+endef
+
+define Package/i2csfp/description
+  A user-space program to access sfp module via i2c.
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+	$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_CPPFLAGS) -Wall \
+		-o $(PKG_BUILD_DIR)/i2csfp $(PKG_BUILD_DIR)/i2csfp.c $(TARGET_LDFLAGS)
+endef
+
+define Package/i2csfp/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/i2csfp $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,i2csfp))