hwcap for BTI was missing, see linux commit 8ef8f360cf30be12382f89ff48a57fbbd9b31c14 arm64: Basic Branch Target Identification support
@@ -48,3 +48,4 @@
#define HWCAP2_BF16 (1 << 14)
#define HWCAP2_DGH (1 << 15)
#define HWCAP2_RNG (1 << 16)
+#define HWCAP2_BTI (1 << 17)