SK-AM62B-P1: Linker error when compiling IPC example from academy training.

/* make sure below retain is there in your linker command file, it keeps the vector table in the final binary */
--retain="*(.vectors)"
/* This is the stack that is used by code running within main()
 * In case of NORTOS,
 * - This means all the code outside of ISR uses this stack
 * In case of FreeRTOS
 * - This means all the code until vTaskStartScheduler() is called in main()
 *   uses this stack.
 * - After vTaskStartScheduler() each task created in FreeRTOS has its own stack
 */
--stack_size=16384
/* This is the heap size for malloc() API in NORTOS and FreeRTOS
 * This is also the heap used by pvPortMalloc in FreeRTOS
 */
--heap_size=32768


SECTIONS
{
    /* This has the M4F entry point and vector table, this MUST be at 0x0 */
    .vectors:{} palign(8) > M4F_VECS
    .text:   {} palign(8) > M4F_IRAM     /* This is where code resides */

    .bss:    {} palign(8) > M4F_DRAM     /* This is where uninitialized globals go */
    RUN_START(__BSS_START)
    RUN_END(__BSS_END)

    .data:   {} palign(8) > M4F_DRAM     /* This is where initialized globals and static go */
    .rodata: {} palign(8) > M4F_DRAM     /* This is where const's go */
    .sysmem: {} palign(8) > M4F_IRAM     /* This is where the malloc heap goes */
    .stack:  {} palign(8) > M4F_IRAM     /* This is where the main() stack goes */

    /* add the resource table */
    GROUP {
        /* This is the resource table used by linux to know where the IPC "VRINGs" are located */
        .resource_table: {} palign(4096)
    } > DDR_0

    /* Sections needed for C++ projects */
    .ARM.exidx:     {} palign(8) > M4F_IRAM  /* Needed for C++ exception handling */
    .init_array:    {} palign(8) > M4F_IRAM  /* Contains function pointers called before main */
    .fini_array:    {} palign(8) > M4F_IRAM  /* Contains function pointers called after main */
}

MEMORY
{
    M4F_VECS : ORIGIN = 0x00000000 , LENGTH = 0x00000200
    M4F_IRAM : ORIGIN = 0x00000200 , LENGTH = 0x0002FE00
    M4F_DRAM : ORIGIN = 0x00030000 , LENGTH = 0x00010000

    /* Resource table must be placed at the start of the "external code/data mem"
     * section that Linux allocates for the core.
     * M4F default allocation is at 0x9cc00000
     */
    DDR_0       : ORIGIN = 0x9cc00000 , LENGTH = 0x1000
}