ARM: dts: bcm2837: Add the missing L1/L2 cache information

stable inclusion
from stable-v5.10.110
commit 0020667edc06b5464ceaf82d478c80582250354a
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0020667edc06b5464ceaf82d478c80582250354a



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[ Upstream commit bdf8762d ]

This patch fixes the kernel warning
"cacheinfo: Unable to detect cache hierarchy for CPU 0"
for the bcm2837 on newer kernel versions.

Signed-off-by: Richard Schleich <rs@noreya.tech>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
[florian: Align and remove comments matching property values]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>