MLECO-3096: Removing data_acq and data_psn

Further to the HAL refactoring done in previous commits,
this CR simpifies HAL by removing data_acq and data_psn
"modules". The associated function pointers have been
removed.

Change-Id: I04c194c08dfe0aff98ce4e0f0f056bac254c137d
Signed-off-by: Kshitij Sisodia <kshitij.sisodia@arm.com>
diff --git a/source/hal/include/hal_lcd.h b/source/hal/include/hal_lcd.h
new file mode 100644
index 0000000..0a484c5
--- /dev/null
+++ b/source/hal/include/hal_lcd.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef HAL_LCD_H
+#define HAL_LCD_H
+/**
+ * This file is the top level abstraction for the LCD related functions
+ **/
+
+#include "lcd_img.h"
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+/**
+ * See lcd_img.h for function docstrings.
+ * In the following macro definitions:
+ * d = data (pointer)
+ * w = width
+ * h = height
+ * c = channels
+ * x = x position
+ * y = y position
+ * s = down-sample factor (images)
+ * m = allow multiple lines (text)
+ * cl = colour
+ */
+#define hal_lcd_init()                          lcd_init()
+#define hal_lcd_display_image(d,w,h,c,x,y,s)    lcd_display_image(d,w,h,c,x,y,s)
+#define hal_lcd_display_text(s,l,x,y,m)         lcd_display_text(s,l,x,y,m)
+#define hal_lcd_display_box(x,y,w,h,cl)         lcd_display_box(x,y,w,h,cl)
+#define hal_lcd_clear(cl)                       lcd_clear(cl)
+#define hal_lcd_set_text_color(cl)              lcd_set_text_color(cl)
+
+#endif /* HAL_LCD_H */