ReleaseNotes: Update ReleaseNote

Signed-off-by: Pritesh Patel <[email protected]>

Author: Pritesh201192

ReleaseNotes/2024.09.00-HFP550-RC2.md

@@ -5,11 +5,6 @@
 This is a release candidate for HiFive Premier P550 board. The main changes include:
 
 - Common images (bootloader, kernel and rootfs) for 16GB and 32GB DDR variant boards.
-- Enabled pulseaudio for root user to access audio from xfce desktop.
-- Add support for audio over HDMI for RX550 GPU.
-- Changed PMP flags for memory region in opensbi to fix bus error.
-- Renamed kernel device tree to "eic7700-hifive-premier-p550.dts".
-- Updated BMC daemon source.
 - OpenSBI is still 1.4.
 - U-Boot is still 2024.01.
 - Linux kernel is still 6.6.21.