boards: riscv: tlsr9518adk80d: Enable GPIO and HEAP_MEM_POOL

- Enable GPIO by default to be consistent with other vendors,
Some samples also require GPIO driver to be enabled by default.
- Enable HEAP_MEM_POOL usage. The heap memory is used by Flash
driver during from flash to flash write operation.

Signed-off-by: Yuriy Vynnychek <[email protected]>

Author: Yuriy Vynnychek

boards/riscv/tlsr9518adk80d/tlsr9518adk80d_defconfig

@@ -4,9 +4,11 @@
 CONFIG_SOC_SERIES_RISCV_TELINK_B91=y
 CONFIG_SOC_RISCV_TELINK_B91=y
 CONFIG_BOARD_TLSR9518ADK80D=y
+CONFIG_GPIO=y
 CONFIG_PLIC=y
 CONFIG_RISCV_MACHINE_TIMER=y
 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
+CONFIG_HEAP_MEM_POOL_SIZE=4096
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_SERIAL=y
 CONFIG_CONSOLE=y