ANDROID: GKI: update allowed GKI symbol for Exynosauto SoC

This patch is for registering below two symbols for Exynosauto SoC.

- __vmalloc: For tight control over page level allocator and protection
flags
- devm_get_free_pages: To use resource managed __get_free_pages

Leaf changes summary: 2 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 2 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

2 Added functions:

  [A] 'function void* __vmalloc(unsigned long int, gfp_t)'
  [A] 'function unsigned long int devm_get_free_pages(device*, gfp_t, unsigned int)'

Bug: 194547942
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Change-Id: Ia10a8c488845bbce9a3c598904b0e6fba0e38216