Varible type lead to error action in xspi.c

[ZoroGH]

https://github.com/Xilinx/embeddedsw/blob/8fca1ac929453ba06613b5417141483b4c2d8cf3/XilinxProcessorIPLib/drivers/spi/src/xspi.c#L627C1-L650C3

I discover that the var RemainingBytes is unsigned int，so if my tansfer data bytes is not the times of DataWidth , it will fill the fifo untill it's full.

so, i think here the while loop should be :

	while (((StatusReg & XSP_SR_TX_FULL_MASK) == 0) &&
		(InstancePtr->RemainingBytes > 0)) {
		if (DataWidth == XSP_DATAWIDTH_BYTE) {
			/*
			 * Data Transfer Width is Byte (8 bit).
			 */
			Data = *InstancePtr->SendBufferPtr;
		} else if (DataWidth == XSP_DATAWIDTH_HALF_WORD) {
			/*
			 * Data Transfer Width is Half Word (16 bit).
			 */
			Data = *(u16 *)InstancePtr->SendBufferPtr;
		} else if (DataWidth == XSP_DATAWIDTH_WORD){
			/*
			 * Data Transfer Width is Word (32 bit).
			 */
			Data = *(u32 *)InstancePtr->SendBufferPtr;
		}

		XSpi_WriteReg(InstancePtr->BaseAddr, XSP_DTR_OFFSET, Data);
		InstancePtr->SendBufferPtr += (DataWidth >> 3);
//********************************************************************
		if(InstancePtr->RemainingBytes <(DataWidth >> 3))
		{
			StatusReg = XSpi_GetStatusReg(InstancePtr);
			break;
		}
//********************************************************************
		InstancePtr->RemainingBytes -= (DataWidth >> 3);
		StatusReg = XSpi_GetStatusReg(InstancePtr);
	}