SMM: Save the GNVS pointer when creating APCI tables

At boot time when the ACPI tables are created and the location
of GNVS is determined then save that address for resume time.

This also sets the values of USB charging in S3/S5 to the expected
default values for Stout/Butterfly that were not set correctly.

Change-Id: I9b94b868aa6e81aced06c0262cc2697ad4faf1e6
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1768
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/mainboard/intel/emeraldlake2/acpi_tables.c

@@ -247,6 +247,7 @@ unsigned long write_acpi_tables(unsigned long start)
 			printk(BIOS_DEBUG, "ACPI: Patching up global NVS in "
 			     "DSDT at offset 0x%04x -> 0x%08lx\n", i, current);
 			*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
+			acpi_save_gnvs(current);
 			break;
 		}
 	}

src/mainboard/samsung/lumpy/acpi_tables.c

@@ -244,6 +244,7 @@ unsigned long write_acpi_tables(unsigned long start)
 			printk(BIOS_DEBUG, "ACPI: Patching up global NVS in "
 			     "DSDT at offset 0x%04x -> 0x%08lx\n", i, current);
 			*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
+			acpi_save_gnvs(current);
 			break;
 		}
 	}

src/mainboard/samsung/stumpy/acpi_tables.c

@@ -248,6 +248,7 @@ unsigned long write_acpi_tables(unsigned long start)
 			printk(BIOS_DEBUG, "ACPI: Patching up global NVS in "
 			     "DSDT at offset 0x%04x -> 0x%08lx\n", i, current);
 			*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
+			acpi_save_gnvs(current);
 			break;
 		}
 	}