Example MPC5777C-eQADC_Simple+Calibration GHS714

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* Detailed Description:
* Initializes and calibrates eQADC module and cyclically converts choosen
* channel, displaying it into terminal window. 
* User could connect EVB pot's wiper to pin header W (see below) to see valid
* conversion result.
*
* ------------------------------------------------------------------------------
* Test HW:         MPC5777C-512DS Rev.A + MPC57xx MOTHER BOARD Rev.C
* MCU:             PPC5777CMM03 2N45H CTZZS1521A
* Fsys:            PLL1 = core_clk = 264MHz, PLL0 = 192MHz
* Debugger:        Lauterbach Trace32
* Target:          internal_FLASH
* Terminal:        19200-8-no parity-1 stop bit-no flow control on eSCI_A 
* EVB connection:  For ADC: J53-1 (EVB pot's wiper) --> PS0  - ANA17
*                                                       PS1  - ANA18
*                                                       PS2  - ANA19
*                                                       PS3  - ANA20
*
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