include: sbi: Change SBI spec version to 3.0

Now that SBI v3.0 specification is frozen, change runtime SBI version
implemented by OpenSBI to v3.0. Also, mark extensions defined by the
SBI v3.0 specification as non-experimental.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20250516122844.113423-1-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>

lib/sbi/sbi_ecall_dbtr.c

@@ -69,7 +69,6 @@ struct sbi_ecall_extension ecall_dbtr = {
 	.name			= "dbtr",
 	.extid_start		= SBI_EXT_DBTR,
 	.extid_end		= SBI_EXT_DBTR,
-	.experimental		= true,
 	.handle			= sbi_ecall_dbtr_handler,
 	.register_extensions	= sbi_ecall_dbtr_register_extensions,
 };

lib/sbi/sbi_ecall_fwft.c

@@ -45,7 +45,6 @@ struct sbi_ecall_extension ecall_fwft = {
 	.name			= "fwft",
 	.extid_start		= SBI_EXT_FWFT,
 	.extid_end		= SBI_EXT_FWFT,
-	.experimental		= true,
 	.register_extensions	= sbi_ecall_fwft_register_extensions,
 	.handle			= sbi_ecall_fwft_handler,
 };

lib/sbi/sbi_ecall_mpxy.c

@@ -67,7 +67,6 @@ struct sbi_ecall_extension ecall_mpxy = {
 	.name			= "mpxy",
 	.extid_start		= SBI_EXT_MPXY,
 	.extid_end		= SBI_EXT_MPXY,
-	.experimental		= true,
 	.register_extensions	= sbi_ecall_mpxy_register_extensions,
 	.handle			= sbi_ecall_mpxy_handler,
 };

lib/sbi/sbi_ecall_sse.c

@@ -59,7 +59,6 @@ struct sbi_ecall_extension ecall_sse = {
 	.name			= "sse",
 	.extid_start		= SBI_EXT_SSE,
 	.extid_end		= SBI_EXT_SSE,
-	.experimental		= true,
 	.register_extensions	= sbi_ecall_sse_register_extensions,
 	.handle			= sbi_ecall_sse_handler,
 };