bloblist: Rename the SPL tag

Add a U_BOOT prefix to this tag since it is specific to the U-Boot
project.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/broadwell/cpu_from_spl.c b/arch/x86/cpu/broadwell/cpu_from_spl.c
index e5f62e7..df5a967 100644
--- a/arch/x86/cpu/broadwell/cpu_from_spl.c
+++ b/arch/x86/cpu/broadwell/cpu_from_spl.c
@@ -23,7 +23,7 @@
 {
 	struct spl_handoff *ho;
 
-	ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
+	ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(*ho));
 	if (!ho)
 		return log_msg_ret("Missing SPL hand-off info", -ENOENT);
 	handoff_load_dram_size(ho);
@@ -56,7 +56,7 @@
 {
 	struct spl_handoff *ho;
 
-	ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
+	ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(*ho));
 	if (!ho)
 		return log_msg_ret("Missing SPL hand-off info", -ENOENT);
 	handoff_load_dram_banks(ho);
diff --git a/common/bloblist.c b/common/bloblist.c
index 01b0410..89b415d 100644
--- a/common/bloblist.c
+++ b/common/bloblist.c
@@ -32,7 +32,7 @@
 static const char *const tag_name[] = {
 	[BLOBLISTT_NONE]		= "(none)",
 	[BLOBLISTT_EC_HOSTEVENT]	= "EC host event",
-	[BLOBLISTT_SPL_HANDOFF]		= "SPL hand-off",
+	[BLOBLISTT_U_BOOT_SPL_HANDOFF]		= "SPL hand-off",
 	[BLOBLISTT_VBOOT_CTX]		= "Chrome OS vboot context",
 	[BLOBLISTT_VBOOT_HANDOFF]	= "Chrome OS vboot hand-off",
 	[BLOBLISTT_ACPI_GNVS]		= "ACPI GNVS",
diff --git a/common/board_f.c b/common/board_f.c
index dd69c3b..a687600 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -283,7 +283,7 @@
 static int setup_spl_handoff(void)
 {
 #if CONFIG_IS_ENABLED(HANDOFF)
-	gd->spl_handoff = bloblist_find(BLOBLISTT_SPL_HANDOFF,
+	gd->spl_handoff = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF,
 					sizeof(struct spl_handoff));
 	debug("Found SPL hand-off info %p\n", gd->spl_handoff);
 #endif
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 4c101ec..f51d1f3 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -408,7 +408,7 @@
 {
 	struct spl_handoff *ho;
 
-	ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
+	ho = bloblist_ensure(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
 	if (!ho)
 		return -ENOENT;
 
@@ -425,7 +425,7 @@
 	struct spl_handoff *ho;
 	int ret;
 
-	ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
+	ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
 	if (!ho)
 		return -ENOENT;
 	handoff_save_dram(ho);
diff --git a/include/bloblist.h b/include/bloblist.h
index 29ea5a7..d4d48f7 100644
--- a/include/bloblist.h
+++ b/include/bloblist.h
@@ -27,7 +27,7 @@
 
 	/* Vendor-specific tags are permitted here */
 	BLOBLISTT_EC_HOSTEVENT,		/* Chromium OS EC host-event mask */
-	BLOBLISTT_SPL_HANDOFF,		/* Hand-off info from SPL */
+	BLOBLISTT_U_BOOT_SPL_HANDOFF,		/* Hand-off info from SPL */
 	BLOBLISTT_VBOOT_CTX,		/* Chromium OS verified boot context */
 	BLOBLISTT_VBOOT_HANDOFF,	/* Chromium OS internal handoff info */
 	/*