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arm64: dts: ti: k3-am65-main: reduce memory reserved for msmc_sram1
msmc_sram1 sub-node in msmc_ram DT node is used for Watchdog sample implementation. Currently it reseves 0xd0000 of MSMC SRAM for Watchdog function though it needs only about 64K (0x10000). This leaves no memory available for general use by drivers in Linux kernel. This causes icssg_prueth driver to fail probe because of msmc memory allocation failure. So reduce the size of msmc_sram1 to 0x10000. While fixing this, also add a cautionary note to alert user from blindly reserving memory in msmc_ram DT node of DTS. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
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