configs/snps_archs38_hsdk: bump linux version to 4.14.47

This patch updates Linux kernel version to 4.14.47 for HSDK board.

Fixes:
 https://gitlab.com/buildroot.org/buildroot/-/jobs/71727022

Signed-off-by: Evgeniy Didin <didin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Peter Korsgaard <peter@korsgaard.com>
Cc: arc-buildroot@synopsys.com
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/snps_archs38_hsdk_defconfig

@@ -13,7 +13,7 @@ BR2_SYSTEM_DHCP="eth0"
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.4"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.47"
 BR2_LINUX_KERNEL_DEFCONFIG="hsdk"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/synopsys/hsdk/linux.fragment"