soc/amd/common/espi: Add ESPI_ prefix to SLAVE0_INT_EN

This matches the other register definitions.

BUG=b:183524609
TEST=Build guybrush

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I0ed92add633f294f92c6a0dde32851d01b10db3c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52055
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/soc/amd/common/block/lpc/espi_util.c b/src/soc/amd/common/block/lpc/espi_util.c
index 152cdd9..45fcc6f 100644
--- a/src/soc/amd/common/block/lpc/espi_util.c
+++ b/src/soc/amd/common/block/lpc/espi_util.c
@@ -337,7 +337,7 @@
 #define  ESPI_SUB_DECODE_SLV_MASK		(0x3 << ESPI_SUB_DECODE_SLV_SHIFT)
 #define  ESPI_SUB_DECODE_EN			(1 << 2)
 
-#define SLAVE0_INT_STS				0x70
+#define ESPI_SLAVE0_INT_STS			0x70
 #define  ESPI_STATUS_DNCMD_COMPLETE		(1 << 28)
 #define  ESPI_STATUS_NON_FATAL_ERROR		(1 << 6)
 #define  ESPI_STATUS_FATAL_ERROR		(1 << 5)
@@ -418,9 +418,9 @@
 /* Clear interrupt status register */
 static void espi_clear_status(void)
 {
-	uint32_t status = espi_read32(SLAVE0_INT_STS);
+	uint32_t status = espi_read32(ESPI_SLAVE0_INT_STS);
 	if (status)
-		espi_write32(SLAVE0_INT_STS, status);
+		espi_write32(ESPI_SLAVE0_INT_STS, status);
 }
 
 /*
@@ -433,7 +433,7 @@
 
 	stopwatch_init_usecs_expire(&sw, ESPI_CMD_TIMEOUT_US);
 	do {
-		*status = espi_read32(SLAVE0_INT_STS);
+		*status = espi_read32(ESPI_SLAVE0_INT_STS);
 		if (*status)
 			return 0;
 	} while (!stopwatch_expired(&sw));