soc/amd/stoneyridge: Remove sb_util.c

Obsolete pm_acpi_pm_cnt_blk(), and remove it and pm_acpi_pm_evt_blk().

Relocate the remaining functions to get/save UMA information to
southbridge.c.

Change-Id: I90c4394e3cf26f4ad60a078948a84303bda693d0
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32659
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/stoneyridge/southbridge.c

@@ -649,3 +649,27 @@ static void set_pci_irqs(void *unused)
  * on entry into BS_DEV_ENABLE.
  */
 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL);
+
+void save_uma_size(uint32_t size)
+{
+	biosram_write32(BIOSRAM_UMA_SIZE, size);
+}
+
+void save_uma_base(uint64_t base)
+{
+	biosram_write32(BIOSRAM_UMA_BASE, (uint32_t) base);
+	biosram_write32(BIOSRAM_UMA_BASE + 4, (uint32_t) (base >> 32));
+}
+
+uint32_t get_uma_size(void)
+{
+	return biosram_read32(BIOSRAM_UMA_SIZE);
+}
+
+uint64_t get_uma_base(void)
+{
+	uint64_t base;
+	base = biosram_read32(BIOSRAM_UMA_BASE);
+	base |= ((uint64_t)(biosram_read32(BIOSRAM_UMA_BASE + 4)) << 32);
+	return base;
+}