media: camss: Add abbreviations explanation

Add abbreviations explanation at the top header blocks in source files.
Signed-off-by: NTodor Tomov <todor.tomov@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/qcom/camss-8x16/camss-csid.c

 /*
  * camss-csid.c
  *
- * Qualcomm MSM Camera Subsystem - CSID Module
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
  *
  * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.

drivers/media/platform/qcom/camss-8x16/camss-csid.h

 /*
  * camss-csid.h
  *
- * Qualcomm MSM Camera Subsystem - CSID Module
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
  *
  * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.

drivers/media/platform/qcom/camss-8x16/camss-ispif.c

 /*
  * camss-ispif.c
  *
- * Qualcomm MSM Camera Subsystem - ISPIF Module
+ * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
  *
  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.

drivers/media/platform/qcom/camss-8x16/camss-ispif.h

 /*
  * camss-ispif.h
  *
- * Qualcomm MSM Camera Subsystem - ISPIF Module
+ * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
  *
  * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.

drivers/media/platform/qcom/camss-8x16/camss-vfe.c

 /*
  * camss-vfe.c
  *
- * Qualcomm MSM Camera Subsystem - VFE Module
+ * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module
  *
  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.

drivers/media/platform/qcom/camss-8x16/camss-vfe.h

 /*
  * camss-vfe.h
  *
- * Qualcomm MSM Camera Subsystem - VFE Module
+ * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module
  *
  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015-2017 Linaro Ltd.