arm: imx: hab: Define HAB_RVT_BASE according to the processor version

arm: imx: hab: Define HAB_RVT_BASE according to the processor version

Currently the following devices are using a different definition for ROM
Vector Table addresses:

- i.MX6DQP =  All rev
- i.MX6DQ >= rev 1.5
- i.MX6SDL >= rev 1.2

There is no need to create a new RVT macros since the only update were the
RVT base address. Remove HAB_RVT_*_NEW macros and define a new RVT base
address.

More details about RVT base address can be found on processors Reference
Manual and in the following documents:

EB803: i.MX 6Dual/6Quad Applications Processor Silicon Revision 1.2 to 1.3
Comparison

EB804: i.MX 6Solo/6DualLite Application Processor Silicon Revision 1.1
to 1.2/1.3 Comparison

Signed-off-by: Breno Lima <breno.lima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>