Example MPC5748G LINFlex LIN Master Slave test GHS616

[#1]

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* Detailed Description:
*
* LINFlexD_1 configured as Master
*   - sends Header
*   - either transmits a data to LIN Slave or receives data from a LIN Slave
*   - no interrupt is used, just SW pooling
*
* LINFlexD_0 as Slave
*   - receives header from a LIN Master
*   - either receives data from a LIN Master or transmits a data to Master
*   - filter is enabled
*   - TX interrupt is used to prepare data to send and
*   - RX interrupt to read received data
*
* EVB connection:
*
*   LIN1 circuitry
*   connect 12V to LIN1-VSUP, so connect J23.1 to P11.3
*   J13, J12 jumpers placed
*
*   LIN0 circuitry
*   remove J11
*
*   connect LIN1 to LIN0, so connect P11 to P9
*   if do not have desired cable, connect P11.3-P9.3 and P11.4-P9.4
*
*   See LIN signal on P11.4 or P9.4.
*
* ------------------------------------------------------------------------------
* Test HW:  X-MPC574xG-324DS + X-MPC574XG-MB
* Maskset:  1N81M
* Target :  FLASH
* Fsys:     160 MHz PLL
*
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