SPRT: Rename the folder name to 'runtime'

The original name 'sprt' can be confusing if user did not read
SPRTL related document, hence rename it as 'runtime' to
indicate it is a secure partition runtime API set.

Signed-off-by: Ken Liu <Ken.Liu@arm.com>
Change-Id: I3ba7d5e80dd2ee32d52463bcdf012a2f5bf6017c
diff --git a/docs/contributing/code_review_guide.rst b/docs/contributing/code_review_guide.rst
index cfc9f4d..72df4b3 100644
--- a/docs/contributing/code_review_guide.rst
+++ b/docs/contributing/code_review_guide.rst
@@ -223,7 +223,7 @@
 Service        Multiple service related changes.
 Service Name   Specific service related changes.
 SPM            secure_fw/spm/*
-SPRTL          secure-fw/partitions/lib/sprt/*
+SPRTL          secure-fw/partitions/lib/runtime/*
 ============== ====================================================
 
 .. note::