fix: Kernel: CSI: Remove docs for hacky PM

After shifting to new architecture for suspend to RAM making
CSI modules inbuilt is not required. Remove the documentation
for that.

Signed-off-by: Rishikesh Donadkar <[email protected]>

Author: Rishikesh-D

source/linux/Foundational_Components/Kernel/Kernel_Drivers/Camera/CSI2RX.rst

@@ -396,75 +396,6 @@ Enabling camera sensors
    The system will automatically wake-up after 5 seconds, and camera streaming
    should resume from where it left (as long as the sensor supports it).
 
-   .. attention::
-
-      Only TEVI OV5640 module is known to work reliably when system is
-      suspended with capture running. And that too, with the below patch
-      applied to prevent races between different camera pipeline devices on
-      system resume. This is due to V4L2 framework's async notifier
-      limitations, which currently does not support sending notifications
-      between subdevice drivers on wakeup from suspend state.
-
-
-   The Technexion TEVI-OV5640 module supports this, but it may fail to set the
-   sensor registers in time when built as a module. You can fix this by making
-   it a part of the kernel image:
-
-   .. code-block:: diff
-
-      diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
-      index bb3cd088db44..2262f23cd9ab 100644
-      --- a/arch/arm64/configs/defconfig
-      +++ b/arch/arm64/configs/defconfig
-      @@ -805,7 +805,7 @@ CONFIG_RC_DEVICES=y
-       CONFIG_IR_GPIO_CIR=m
-       CONFIG_IR_MESON=m
-       CONFIG_IR_SUNXI=m
-      -CONFIG_MEDIA_SUPPORT=m
-      +CONFIG_MEDIA_SUPPORT=y
-       CONFIG_MEDIA_CAMERA_SUPPORT=y
-       CONFIG_MEDIA_ANALOG_TV_SUPPORT=y
-       CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
-      @@ -817,7 +817,7 @@ CONFIG_USB_VIDEO_CLASS=m
-       CONFIG_V4L_PLATFORM_DRIVERS=y
-       CONFIG_SDR_PLATFORM_DRIVERS=y
-       CONFIG_V4L_MEM2MEM_DRIVERS=y
-      -CONFIG_VIDEO_CADENCE_CSI2RX=m
-      +CONFIG_VIDEO_CADENCE_CSI2RX=y
-       CONFIG_VIDEO_WAVE_VPU=m
-       CONFIG_VIDEO_IMG_VXE_ENC=m
-       CONFIG_VIDEO_E5010_JPEG_ENC=m
-      @@ -842,13 +842,13 @@ CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m
-       CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m
-       CONFIG_VIDEO_SAMSUNG_S5P_MFC=m
-       CONFIG_VIDEO_SUN6I_CSI=m
-      -CONFIG_VIDEO_TI_J721E_CSI2RX=m
-      +CONFIG_VIDEO_TI_J721E_CSI2RX=y
-       CONFIG_VIDEO_HANTRO=m
-       CONFIG_VIDEO_IMX219=m
-       CONFIG_VIDEO_IMX390=m
-       CONFIG_VIDEO_IMX412=m
-       CONFIG_VIDEO_OV2312=m
-      -CONFIG_VIDEO_OV5640=m
-      +CONFIG_VIDEO_OV5640=y
-       CONFIG_VIDEO_OV5645=m
-       CONFIG_VIDEO_OX05B1S=m
-       CONFIG_VIDEO_DS90UB953=m
-      @@ -1459,8 +1459,8 @@ CONFIG_PHY_XGENE=y
-       CONFIG_PHY_CAN_TRANSCEIVER=m
-       CONFIG_PHY_SUN4I_USB=y
-       CONFIG_PHY_CADENCE_TORRENT=y
-      -CONFIG_PHY_CADENCE_DPHY=m
-      -CONFIG_PHY_CADENCE_DPHY_RX=m
-      +CONFIG_PHY_CADENCE_DPHY=y
-       +CONFIG_PHY_CADENCE_DPHY_RX=y
-       CONFIG_PHY_CADENCE_SIERRA=y
-       CONFIG_PHY_MIXEL_MIPI_DPHY=m
-       CONFIG_PHY_FSL_IMX8M_PCIE=y
-
-   To re-build the kernel with above changes you can refer to the
-   :ref:`Users Guide <users-guide-kernel-config>`.
-
 .. ifconfig:: CONFIG_part_variant in ('AM62X')
 
    CSI2RX testing details