src/soc: Capitalize CPU, ACPI, RAM and ROM

Change-Id: I7f0d3400126d593bad8e78f95e6b9a378463b4ce
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15963
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/common/acpi.h

@@ -85,7 +85,7 @@ acpi_cstate_t *soc_get_cstate_map(int *num_entries);
 acpi_tstate_t *soc_get_tss_table(int *num_entries);
 
 /*
- * soc_get_acpi_base_address returns the acpi base address for the SOC
+ * soc_get_acpi_base_address returns the ACPI base address for the SOC
  */
 uint16_t soc_get_acpi_base_address(void);