cryptohash.h was dropped and merged with crypto/sha.sh in 5.8 kernel. Details in:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=228c4f265c6eb60eaa4ed0edb3bf7c113173576c

---
diff --git a/quickassist/utilities/osal/src/linux/kernel_space/OsalCryptoInterface.c b/quickassist/utilities/osal/src/linux/kernel_space/OsalCryptoInterface.c
index 4c389da..e602377 100644
--- a/quickassist/utilities/osal/src/linux/kernel_space/OsalCryptoInterface.c
+++ b/quickassist/utilities/osal/src/linux/kernel_space/OsalCryptoInterface.c
@@ -66,7 +66,7 @@
 
 #include "Osal.h"
 #include <linux/crypto.h>
-#include <linux/cryptohash.h>
+#include <crypto/sha.h>
 #include <linux/version.h>
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
 #include <crypto/internal/hash.h>