Merge "Add __riscv_flush_icache() to <sys/cachectl.h>." into main am: a09f741c2a

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2655793

Change-Id: If94c002465d312612904f0692c428c9a91d8a6e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>