Added missing README files for Cypress PDL library.

hex files subfolder moved up one level to avoid license confusion.
Removed non-TLS implementation of TRNG. Removed unused crypto libraries and headers.
Replaced Cypress copyright licence per agreement.
Removed unsed eeprom emulation middleware files.
Renamed assembler files from *.s to *.S
Removed "device_name" from targets.json definitions as it is not supoprted yet.

Author: lrusinowicz

targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/TARGET_MCU_PSOC6_M0/device/PDL_Version.txt

@@ -0,0 +1,2 @@
+version 3.0.1
+

targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/TARGET_MCU_PSOC6_M0/device/README.md

@@ -27,9 +27,7 @@
 ;*******************************************************************************
 ;* \copyright
 ;* Copyright 2016-2018, Cypress Semiconductor Corporation.  All rights reserved.
-;* You may use this file only in accordance with the license, terms, conditions,
-;* disclaimers, and limitations in the end user license agreement accompanying
-;* the software package with which this file was provided.
+;* SPDX-License-Identifier: Apache-2.0
 ;******************************************************************************/
 
 ; The defines below describe the location and size of blocks of memory in the target.