linux: bump Linux CIP to v4.4.112-cip18

This patch bump the Linux CIP kernel to version v4.4.112-cip18

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit a2f8eafdfabb1073a89327ebd190a9383adc539e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/Config.in

@@ -29,7 +29,7 @@ config BR2_LINUX_KERNEL_LATEST_VERSION
 	bool "Latest version (4.13)"
 
 config BR2_LINUX_KERNEL_LATEST_CIP_VERSION
-	bool "Latest CIP SLTS version (v4.4.105-cip15)"
+	bool "Latest CIP SLTS version (v4.4.112-cip18)"
 	help
 	  CIP launched in the spring of 2016 to address the needs of
 	  organizations in industries such as power generation and
@@ -117,7 +117,7 @@ endif
 config BR2_LINUX_KERNEL_VERSION
 	string
 	default "4.13.16" if BR2_LINUX_KERNEL_LATEST_VERSION
-	default "v4.4.105-cip15" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
+	default "v4.4.112-cip18" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE \
 		if BR2_LINUX_KERNEL_CUSTOM_VERSION
 	default "custom" if BR2_LINUX_KERNEL_CUSTOM_TARBALL