soc/intel/xeon_sp/nb_acpi.c: Drop comparison to true

Change-Id: Ib9670ee22e36dd988a75b2f8dc565534927b6107
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61422
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
diff --git a/src/soc/intel/xeon_sp/nb_acpi.c b/src/soc/intel/xeon_sp/nb_acpi.c
index 9443966..bb98f0b 100644
--- a/src/soc/intel/xeon_sp/nb_acpi.c
+++ b/src/soc/intel/xeon_sp/nb_acpi.c
@@ -167,7 +167,7 @@
 
 	unsigned long atsr_size = 0;
 	unsigned long pci_br_size = 0;
-	if (is_atsr == true && first && *first == true) {
+	if (is_atsr && first && *first) {
 		printk(BIOS_DEBUG, "[Root Port ATS Capability] Flags: 0x%x, "
 			"PCI Segment Number: 0x%x\n", 0, pcie_seg);
 		atsr_size = acpi_create_dmar_atsr(current, 0, pcie_seg);