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PD#GH-17 Problem: sometimes cma allocation failed but it's hard to get failed log and need recompile code. Solution: Add /proc/cma_debug to open cma debug message dynamic. By default, no debug message is printed. If you write a value large than 0 to this node, debug message will be printed. Verify: p212 Change-Id: Ibcfd1d48be5f33f674f09df713dc2e493748c405 Signed-off-by: tao zeng <tao.zeng@amlogic.com>
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