efi: adjust ebbr to v2.1 in conformance profile

The EFI Conformance Profile Table entry for EBBR appears in v2.1.0 of the
EBBR specification[1]. Update naming accordingly.

While at it, update the EBBR version referenced in the documentation.

[1]: https://github.com/ARM-software/ebbr/releases/tag/v2.1.0

Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index e2b6438..b498c72 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -384,8 +384,8 @@
 	help
 	  Enabling this option created the ECPT UEFI table.
 
-config EFI_EBBR_2_0_CONFORMANCE
-	bool "Add the EBBRv2.0 conformance entry to the ECPT table"
+config EFI_EBBR_2_1_CONFORMANCE
+	bool "Add the EBBRv2.1 conformance entry to the ECPT table"
 	depends on EFI_ECPT
 	depends on EFI_LOADER_HII
 	depends on EFI_RISCV_BOOT_PROTOCOL || !RISCV
@@ -393,7 +393,7 @@
 	depends on EFI_UNICODE_COLLATION_PROTOCOL2
 	default y
 	help
-	  Enabling this option adds the EBBRv2.0 conformance entry to the ECPT UEFI table.
+	  Enabling this option adds the EBBRv2.1 conformance entry to the ECPT UEFI table.
 
 config EFI_RISCV_BOOT_PROTOCOL
 	bool "RISCV_EFI_BOOT_PROTOCOL support"