arm64: cpufeature: Add Olympus MIDR to BBML2 allow list

JIRA: https://issues.redhat.com/browse/RHEL-122955

commit cc80537
Author: Shanker Donthineni <sdonthineni@nvidia.com>
Date: Thu, 18 Sep 2025 08:25:48 -0500

    The NVIDIA Olympus core supports BBML2 without conflict abort. Add
    its MIDR to the allow list to enable FEAT_BBM.

    Signed-off-by: Shanker Donthineni <sdonthineni@nvidia.com>
    Signed-off-by: Will Deacon <will@kernel.org>

Signed-off-by: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>

Author: hrw

arch/arm64/kernel/cpufeature.c

@@ -2235,6 +2235,7 @@ static bool has_bbml2_noabort(const struct arm64_cpu_capabilities *caps, int sco
 	static const struct midr_range supports_bbml2_noabort_list[] = {
 		MIDR_REV_RANGE(MIDR_CORTEX_X4, 0, 3, 0xf),
 		MIDR_REV_RANGE(MIDR_NEOVERSE_V3, 0, 2, 0xf),
+		MIDR_ALL_VERSIONS(MIDR_NVIDIA_OLYMPUS),
 		{}
 	};