intel: Remove un-needed checks for qspi driver r/w

This patch removes un-needed r/w parameter checks for qspi driver. The
driver can actually access any offset and size.

Signed-off-by: Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: If60b2c016aa91e2c24ddc57c6ad410c8dc5dcf53

plat/intel/soc/common/drivers/qspi/cadence_qspi.c

@@ -688,10 +688,7 @@ int cad_qspi_read(void *buffer, uint32_t  offset, uint32_t  size)
 
 	if ((offset >= qspi_device_size) ||
 			(offset + size - 1 >= qspi_device_size) ||
-			(size == 0) ||
-			((long) ((int *)buffer) & 0x3)  ||
-			(offset & 0x3) ||
-			(size & 0x3)) {
+			(size == 0)) {
 		ERROR("Invalid read parameter\n");
 		return -1;
 	}
@@ -766,11 +763,9 @@ int cad_qspi_write(void *buffer, uint32_t offset, uint32_t size)
 
 	if ((offset >= qspi_device_size) ||
 			(offset + size - 1 >= qspi_device_size) ||
-			(size == 0) ||
-			((long)buffer & 0x3)  ||
-			(offset & 0x3) ||
-			(size & 0x3))
+			(size == 0)) {
 		return -2;
+	}
 
 	if (CAD_QSPI_INDWR_RDSTAT(mmio_read_32(CAD_QSPI_OFFSET +
 						CAD_QSPI_INDWR))) {