chore(epicardium): Switch from MXC_ASSERT to assert

Newlib assert uses __assert_func and thus our panic() function while
MXC_ASSERT uses a custom assertion logic.  Newlib assert is also more
portable as it works in expression position while MXC_ASSERT only works
as a statement.

Signed-off-by: Rahix <rahix@rahix.de>

epicardium/FreeRTOSConfig.h

 #ifndef FREERTOS_CONFIG_H
 #define FREERTOS_CONFIG_H
 
-#define  MXC_ASSERT_ENABLE
-#include "mxc_assert.h"
-
 #include "max32665.h"
 
+#include <assert.h>
+
 /* CMSIS keeps a global updated with current system clock in Hz */
 #define configCPU_CLOCK_HZ          ((unsigned long)96000000)
 
@@ -69,7 +68,7 @@
 #define xPortSysTickHandler   SysTick_Handler
 
 /* Assert */
-#define configASSERT(x)       MXC_ASSERT(x)
+#define configASSERT(x)       assert(x)
 
 /* Tickless idle hooks */
 typedef uint32_t TickType_t;

epicardium/modules/bhi.c

+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -259,14 +260,14 @@ bhi160_handle_packet(bhy_data_type_t data_type, bhy_data_generic_t *sensor_data)
 		wakeup = true;
 		/* fall through */
 	case VS_ID_TIMESTAMP_MSW:
-		MXC_ASSERT(data_type == BHY_DATA_TYPE_SCALAR_U16);
+		assert(data_type == BHY_DATA_TYPE_SCALAR_U16);
 		timestamp = sensor_data->data_scalar_u16.data << 16;
 		break;
 	case VS_ID_TIMESTAMP_LSW_WAKEUP:
 		wakeup = true;
 		/* fall through */
 	case VS_ID_TIMESTAMP_LSW:
-		MXC_ASSERT(data_type == BHY_DATA_TYPE_SCALAR_U16);
+		assert(data_type == BHY_DATA_TYPE_SCALAR_U16);
 		timestamp = (timestamp & 0xFFFF0000) |
 			    sensor_data->data_scalar_u16.data;
 		break;
@@ -303,7 +304,7 @@ bhi160_handle_packet(bhy_data_type_t data_type, bhy_data_generic_t *sensor_data)
 			break;
 		}
 
-		MXC_ASSERT(data_type == BHY_DATA_TYPE_VECTOR);
+		assert(data_type == BHY_DATA_TYPE_VECTOR);
 		if (bhi160_streams[sensor_type].queue == NULL) {
 			break;
 		}