Tegra: bpmp: remove bpmp init failed error print

This patch removes the error print displayed when bpmp init
fails. On platforms that do not load the bpmp firmware, this
print is seen on every cluster idle and powerdown request,
cluttering the logs.

Change-Id: I9e30007a913080406052fc32d5360ff70a019d75
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/common/drivers/bpmp/bpmp.c

@@ -124,7 +124,6 @@ int tegra_bpmp_init(void)
 		/* check if the bpmp processor is alive. */
 		val = mmio_read_32(TEGRA_RES_SEMA_BASE + STA_OFFSET);
 		if (val != SIGN_OF_LIFE) {
-			ERROR("BPMP precessor not available\n");
 			return -ENOTSUP;
 		}