linux-ti-staging: update to ti2018.01-rc4

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>

recipes-kernel/linux/linux-ti-staging-rt_4.14.bb

@@ -6,5 +6,5 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-4.14:"
 
 BRANCH = "ti-rt-linux-4.14.y"
 
-SRCREV = "abfcd79f10da4eb13f9e8d3bc8eae007a8111fe9"
-PV = "4.14.39+git${SRCPV}"
+SRCREV = "8dac75629c836fb3d75d51fbd2500df9b0b7edb9"
+PV = "4.14.40+git${SRCPV}"

recipes-kernel/linux/linux-ti-staging_4.14.bb

@@ -54,8 +54,8 @@ S = "${WORKDIR}/git"
 
 BRANCH = "ti-lsk-linux-4.14.y"
 
-SRCREV = "7aafa904fa069ab404fd4db21e82a646b90c6056"
-PV = "4.14.39+git${SRCPV}"
+SRCREV = "fb417352e5966a95a4a9983264150e6b32009897"
+PV = "4.14.40+git${SRCPV}"
 
 # Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
 MACHINE_KERNEL_PR_append = "a"