[PATCH] ddr: imx8m: Return error values from LPDDR4 training

> From: Frieder Schrempf > In cases when the same SPL should run on boards with i.MX8MM, that > differ in DDR configuration, it is necessary to try different > parameters and check if the training done by the firmware suceeds or > not. > Therefore we return the DDR training/initialization success

[PATCH] ddr: imx8m: Return error values from LPDDR4 training

From: Frieder Schrempf In cases when the same SPL should run on boards with i.MX8MM, that differ in DDR configuration, it is necessary to try different parameters and check if the training done by the firmware suceeds or not. Therefore we return the DDR training/initialization success to the