cnss2: Use version to differentiate RAM dump APIs

Currently driver uses device ID to differentiate RAM dump register
and unregister APIs which is not efficient since most resent devices
will use the same RAM dump version. Enhance this by using version to
differentiate RAM dump APIs.

Change-Id: I776a8f2d84eb22cf6f8a51984ba50204ff2573f7
Signed-off-by: Yue Ma <yuem@codeaurora.org>