linux: bump CIP to version v4.4.154-cip28

This patch bumps the Linux CIP kernel to version v4.4.154-cip28

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit a91db4044feefc4512a3d0dafb711924a3c43237)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/Config.in

@@ -33,7 +33,7 @@ config BR2_LINUX_KERNEL_LATEST_VERSION
 	bool "Latest version (4.15)"
 
 config BR2_LINUX_KERNEL_LATEST_CIP_VERSION
-	bool "Latest CIP SLTS version (v4.4.138-cip25)"
+	bool "Latest CIP SLTS version (v4.4.154-cip28)"
 	help
 	  CIP launched in the spring of 2016 to address the needs of
 	  organizations in industries such as power generation and
@@ -121,7 +121,7 @@ endif
 config BR2_LINUX_KERNEL_VERSION
 	string
 	default "4.15.16" if BR2_LINUX_KERNEL_LATEST_VERSION
-	default "v4.4.138-cip25" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
+	default "v4.4.154-cip28" 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