fix(PeriphDrivers): Add missing timer dual edge capture mode

[mertekren]

Description

In user guides of MCUs (MAX32655, MAX32662, MAX32670, MAX32672, MAX32675, MAX32680, MAX32690, MAX78000, MAX78002 ) Timer peripheral supports Dual Edge Capture mode. This mode is missing in MSDK, although CMSIS includes this register: MXC_S_TMR_CTRL0_MODE_A_DUAL_EDGE for these devices.

For example, MAX32690 user guide section 23.7 shows as below:

So, this mode is added.

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[Jake-Carter]

Thanks @mertekren, looks good

[Jake-Carter]

@mertekren FYI as of #831 the TMR enums have been updated to MXC_TMR_... to be more consistent. I resolved the merge conflicts in 354bf79