soc: qcom: Add check devm_kasprintf() returned value

[ Upstream commit e694d2b5c58ba2d1e995d068707c8d966e7f5f2a ]

devm_kasprintf() can return a NULL pointer on failure but this
returned value in qcom_socinfo_probe() is not checked.

Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://lore.kernel.org/r/20240929072349.202520-1-hanchunchao@inspur.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>