start with USB CDC echo example

this is the Atmel START USB CDC Echo example project for the
SAM E54 Xplained Pro board using an Atmel ATSAME54P20A
microcontroller.
Atmel START information:
- Version: 1.4.1810 (Dec 18, 2018, 5:52 AM GMT+1)
- Server: 1.4.93
- Content version: 1.0.1340

This will serve as basis for the sysmoOCTSIM project

A jenkins contrib script has also been added to the
osmo-ccid-firmware project to build the sysmoOCTSIM firmware

Change-Id: I356de75e7b730d63fb819248e71d36f785932199
diff --git a/sysmoOCTSIM/hal/include/hal_cache.h b/sysmoOCTSIM/hal/include/hal_cache.h
new file mode 100644
index 0000000..071486b
--- /dev/null
+++ b/sysmoOCTSIM/hal/include/hal_cache.h
@@ -0,0 +1,96 @@
+/**
+ * \file
+ *
+ * \brief HAL cache functionality implementation.
+ *
+ * Copyright (c)2018 Microchip Technology Inc. and its subsidiaries.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Subject to your compliance with these terms, you may use Microchip
+ * software and any derivatives exclusively with Microchip products.
+ * It is your responsibility to comply with third party license terms applicable
+ * to your use of third party software (including open source software) that
+ * may accompany Microchip software.
+ *
+ * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS".  NO WARRANTIES,
+ * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
+ * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
+ * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
+ * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
+ * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
+ * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
+ * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE.  TO THE FULLEST EXTENT
+ * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
+ * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
+ * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
+ *
+ * \asf_license_stop
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
+ */
+
+#ifndef HAL_CACHE_H_
+#define HAL_CACHE_H_
+
+#include <hpl_cmcc.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Enable cache module
+ *
+ * \param[in] pointer pointing to the starting address of cache module
+ *
+ * \return status of operation
+ */
+int32_t cache_enable(const void *hw);
+
+/**
+ * \brief Disable cache module
+ *
+ * \param[in] pointer pointing to the starting address of cache module
+ *
+ * \return status of operation
+ */
+int32_t cache_disable(const void *hw);
+
+/**
+ * \brief Initialize cache module
+ *
+ * This function initialize cache module configuration.
+ *
+ * \return status of operation
+ */
+int32_t cache_init(void);
+
+/**
+ * \brief Configure cache module
+ *
+ * \param[in] pointer pointing to the starting address of cache module
+ * \param[in] cache configuration structure pointer
+ *
+ * \return status of operation
+ */
+int32_t cache_configure(const void *hw, struct _cache_cfg *cache);
+
+/**
+ * \brief Invalidate entire cache entries
+ *
+ * \param[in] pointer pointing to the starting address of cache module
+ *
+ * \return status of operation
+ */
+int32_t cache_invalidate_all(const void *hw);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_CACHE_H_ */