iommu/amd: Put newline after closing bracket in warning

Currently, on the Dell OptiPlex 5055 the EFR mismatch warning looks like
below.

    [    1.479774] smpboot: CPU0: AMD Ryzen 5 PRO 1500 Quad-Core Processor (family: 0x17, model: 0x1, stepping: 0x1)
    […]
    [    2.507370] AMD-Vi: [Firmware Warn]: EFR mismatch. Use IVHD EFR (0xf77ef22294ada : 0x400f77ef22294ada
                   ).

Add the newline after the `).`, so it’s on one line.

Fixes: a44092e ("iommu/amd: Use IVHD EFR for early initialization of IOMMU features")
Cc: iommu@lists.linux-foundation.org
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Robert Richter <rrichter@amd.com>
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20210412180141.29605-1-pmenzel@molgen.mpg.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/amd/init.c

@@ -1790,7 +1790,7 @@ static void __init late_iommu_features_init(struct amd_iommu *iommu)
 	 * IVHD and MMIO conflict.
 	 */
 	if (features != iommu->features)
-		pr_warn(FW_WARN "EFR mismatch. Use IVHD EFR (%#llx : %#llx\n).",
+		pr_warn(FW_WARN "EFR mismatch. Use IVHD EFR (%#llx : %#llx).\n",
 			features, iommu->features);
 }