src/mainboard to src/security: Fix spelling errors

These issues were found and fixed by codespell, a useful tool for
finding spelling errors.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Ie34003a9fdfe9f3b1b8ec0789aeca8b9435c9c79
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58081
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/northbridge/intel/haswell/northbridge.c

@@ -35,7 +35,7 @@ static const char *northbridge_acpi_name(const struct device *dev)
 }
 
 /*
- * TODO: We could determine how many PCIe busses we need in the bar.
+ * TODO: We could determine how many PCIe buses we need in the bar.
  *       For now, that number is hardcoded to a max of 64.
  */
 static struct device_operations pci_domain_ops = {

src/northbridge/intel/i945/Kconfig

@@ -63,7 +63,7 @@ config MAXIMUM_SUPPORTED_FREQUENCY
 config CHECK_SLFRCS_ON_RESUME
 	def_bool n
 	help
-	  On some boards it may be neccessary to hard reset early
+	  On some boards it may be necessary to hard reset early
 	  during resume from S3 if the SLFRCS register indicates that
 	  a memory channel is not guaranteed to be in self-refresh.
 	  On other boards the check always creates a false positive,

src/northbridge/intel/ironlake/bootblock.c

@@ -22,7 +22,7 @@ void bootblock_early_northbridge_init(void)
 {
 	/*
 	 * The QuickPath bus number is the topmost bus number, as per the value
-	 * of the SAD_PCIEXBAR register. The register defaults to 256 busses on
+	 * of the SAD_PCIEXBAR register. The register defaults to 256 buses on
 	 * reset. Thus, hardcode the bus number when first setting up PCIEXBAR.
 	 */
 	const pci_devfn_t qpi_sad = PCI_DEV(255, 0, 1);

src/northbridge/intel/sandybridge/raminit_common.c

@@ -2437,7 +2437,7 @@ int aggressive_write_training(ramctr_timing *ctrl)
 	if (enable_iosav_opt)
 		mchbar_write32(MCMNTS_SPARE, 1);
 
-	printram("Aggresive write training:\n");
+	printram("Aggressive write training:\n");
 
 	for (i = 0; i < ARRAY_SIZE(wr_vref_offsets); i++) {
 		FOR_ALL_POPULATED_CHANNELS {