SoC common : build :Fixed generate error when make docs. [1/1]

PD#SWPL-178135

Problem:
Generate error when make docs by cmake V3.13.1.

Solution:
Use the right syntax to compatible with cmake V3.13.1.

Verify:
N/A

Change-Id: I26cd33eab00b62d261b4de8ac6ac96e23c5049f7
Signed-off-by: xiaohu.huang <xiaohu.huang@amlogic.com>
1 file changed
tree: 7c68f6ae6a8a1a65a01411a10de6d5a3bafa7f42
  1. cmake/
  2. key/
  3. .gitignore
  4. Makefile
  5. symtable.mk
  6. xip.mk