SDEMMC_CRM_VOL_CTRL
val = sdhci_bst_crm_read(pltfm_host, SDEMMC_CRM_VOL_CTRL);
sdhci_bst_crm_write(pltfm_host, SDEMMC_CRM_VOL_CTRL, val);
sdhci_bst_crm_write(pltfm_host, SDEMMC_CRM_VOL_CTRL, BST_VOL_STABLE_ON);