i2c-tools: Add i2c-dev.h to staging directory for userspace i2c drivers.

Signed-off-by: Jouko Nikula <jouko.nikula@espotel.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/i2c-tools/i2c-tools.mk

@@ -9,6 +9,7 @@ I2C_TOOLS_SOURCE = i2c-tools-$(I2C_TOOLS_VERSION).tar.bz2
 I2C_TOOLS_SITE = http://dl.lm-sensors.org/i2c-tools/releases
 I2C_TOOLS_LICENSE = GPLv2+, GPLv2 (py-smbus)
 I2C_TOOLS_LICENSE_FILES = COPYING
+I2C_TOOLS_INSTALL_STAGING = YES
 
 define I2C_TOOLS_BUILD_CMDS
  $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)
@@ -21,4 +22,8 @@ define I2C_TOOLS_INSTALL_TARGET_CMDS
 	done
 endef
 
+define I2C_TOOLS_INSTALL_STAGING_CMDS
+	$(INSTALL) -D -m644 $(@D)/include/linux/i2c-dev.h $(STAGING_DIR)/usr/include/linux/
+endef
+
 $(eval $(generic-package))