BaseTools:Support decimal version number in ECC check

BaseTools:Support decimal version number in ECC check

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3872

When doing ecc inf version check, the decimal type version number
like 1.27 is treated as invalid version.
So the code should be updated to support decimal type version number.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Signed-off-by: Wenyi Xie <xiewenyi2@huawei.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>