ANDROID: GKI: add allowed list for Exynosauto SoC

This patch adds GKI symbol list for Exynosauto SoC. We need to add
below 4 function symbols and it required by Hypervisor VLX driver.

4 function symbol(s) added
  'struct work_struct* current_work()'
  'struct file* eventfd_fget(int)'
  'int fixup_user_fault(struct mm_struct*, unsigned long, unsigned int, bool*)'
  'int follow_pte(struct mm_struct*, unsigned long, pte_t**, spinlock_t**)'

Bug: 357015371
Change-Id: I3cc5fd4a151539f3cf8d488d266f30e35a22321a
Signed-off-by: Hang Wei <hang01.wei@samsung.com>