MA-19811-20 defconfig: Enable LTO_CLANG_THIN for 8ulp

It is ready to use GKI boot.img

Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Change-Id: Ibfc83f6dcb4fba2a7b531cb9e4c0d019ba89f116

arch/arm64/configs/imx8ulp_gki.fragment

@@ -107,6 +107,7 @@ CONFIG_SPI_FSL_LPSPI=m
 CONFIG_SPI_SPIDEV=m
 CONFIG_SPI_NXP_FLEXSPI=m
 CONFIG_MTD_SPI_NOR=m
+CONFIG_LTO_CLANG_THIN=y
 
 # net
 CONFIG_ETHERNET=y
@@ -115,7 +116,6 @@ CONFIG_MAC80211=m
 CONFIG_MICREL_PHY=m
 CONFIG_FEC=m
 
-# CONFIG_LTO_CLANG_FULL is not set
 # CONFIG_IMX_RPMSG_TTY is not set
 # CONFIG_MXC_HANTRO_845 is not set
 # CONFIG_MXC_HANTRO_VC8000E is not set