bdinfo: Drop the option to not use the generic 'bd' command

Now that all architectures are using the generic do_bdinfo(), drop the
option to not use it. When new architectures are added, they will get at
least some useful information from the generic implementation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index d2dcda9..df24994 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -171,64 +171,6 @@
 	print_baudrate();
 }
 
-#if defined(CONFIG_PPC)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_NIOS2)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_MICROBLAZE)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_M68K)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_MIPS)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_ARM)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_SH)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_X86)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_SANDBOX)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_NDS32)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_RISCV)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_ARC)
-
-#define USE_GENERIC
-
-#elif defined(CONFIG_XTENSA)
-
-#define USE_GENERIC
-
-#else
- #error "a case for this architecture does not exist!"
-#endif
-
-/* Temporary check for archs that use generic bdinfo. Eventually all will */
-#ifdef USE_GENERIC
 void __weak board_detail(void)
 {
 	/* Please define board_detail() for your PPC platform */
@@ -343,7 +285,6 @@
 
 	return 0;
 }
-#endif
 
 /* -------------------------------------------------------------------- */