dt-bindings: sram: qcom,ocmem: Add msm8226 support

Add the compatible for the OCMEM found on msm8226 which compared to
msm8974 only has a core clock and no iface clock.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20230506-msm8226-ocmem-v3-4-79da95a2581f@z3ntu.xyz


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