docs(linux): Remove unmaintained HyperBus, HyperFlash and Graphics sections from AM335x/AM437x devices

Remove Hyperbus and HyperFlash section from U-Boot user guide
Remove the Graphics and Multimedia sections from the How to Guides since they are no longer maintained

Signed-off-by: Telukula Jeevan Kumar Sahu <[email protected]>

Author: jeevantelukula

configs/AM335X/AM335X_linux_toc.txt

@@ -36,7 +36,6 @@ linux/Foundational_Components/U-Boot/UG-NOR
 linux/Foundational_Components/U-Boot/UG-UART
 linux/Foundational_Components/U-Boot/UG-UFS
 linux/Foundational_Components/U-Boot/UG-DDR3
-linux/Foundational_Components/U-Boot/UG-HyperBus
 linux/Foundational_Components/U-Boot/Applications
 linux/Foundational_Components/U-Boot/Apps-SPL-Debug
 linux/Foundational_Components/U-Boot/Apps-SPL-Debug-OpenOCD
@@ -131,7 +130,6 @@ linux/How_to_Guides_Host
 linux/How_to_Guides/Host/Moving_Files_to_the_Target_System
 linux/How_to_Guides/Host/Customizing_the_SDK_Splash_Screen
 linux/How_to_Guides/Host/AM335x_ICEv2_flash_erase
-linux/How_to_Guides/Host/Additional_How_to_Guide_Links
 linux/How_to_Guides/Host/Program_the_eMMC_on_Beaglebone_Black
 linux/How_to_Guides_Target
 linux/How_to_Guides/Target/How_to_Recalibrate_the_Touchscreen

configs/AM437X/AM437X_linux_toc.txt

@@ -36,7 +36,6 @@ linux/Foundational_Components/U-Boot/UG-NOR
 linux/Foundational_Components/U-Boot/UG-UART
 linux/Foundational_Components/U-Boot/UG-UFS
 linux/Foundational_Components/U-Boot/UG-DDR3
-linux/Foundational_Components/U-Boot/UG-HyperBus
 linux/Foundational_Components/U-Boot/Applications
 linux/Foundational_Components/U-Boot/Apps-SPL-Debug
 linux/Foundational_Components/U-Boot/Apps-SPL-Debug-OpenOCD
@@ -129,7 +128,6 @@ linux/How_to_Guides
 linux/How_to_Guides_Host
 linux/How_to_Guides/Host/Moving_Files_to_the_Target_System
 linux/How_to_Guides/Host/Customizing_the_SDK_Splash_Screen
-linux/How_to_Guides/Host/Additional_How_to_Guide_Links
 linux/How_to_Guides/Host/AM335x_AM437x_Hardware_Migration_Guide
 linux/How_to_Guides_Target
 linux/How_to_Guides/Target/How_to_Recalibrate_the_Touchscreen