gs101: enable page_pinner

Enable Page Pinner.

Bug: 187552095
Test: adb bugreport <zip> and confirmed it contains page_pinner
      information at dumpstate_board.txt
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I509c5a825a798d8f1851cb65c5dd28dbddf11d33
diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index d437f5b..9255209 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -45,6 +45,7 @@
 BOARD_KERNEL_CMDLINE += earlycon=exynos4210,0x10A00000 console=ttySAC0,115200 androidboot.console=ttySAC0 printk.devkmsg=on
 BOARD_KERNEL_CMDLINE += androidboot.boot_devices=14700000.ufs
 BOARD_KERNEL_CMDLINE += cma_sysfs.experimental=Y
+BOARD_KERNEL_CMDLINE += stack_depot_disable=off page_pinner=on
 
 TARGET_NO_BOOTLOADER := true
 TARGET_NO_KERNEL := false