[PATCH] .gitignore: add .cache/ to .gitignore

[Wang, Lei]

$PROJECT/.cache/clangd/index is the intended location for project index
data when using clangd as the language server. Ignore this directory to
keep the git status clean.

Signed-off-by: Wang, Lei <lei4.wang@intel.com>
---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index 9726a778b3..8aab671265 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 /GNUmakefile
 /build/
+/.cache/
 *.pyc
 .sdk
 .stgit-*
-- 
2.37.3