README, tools: Update 'jailhouse hardware check' documentation

The SYSCONFIG parameter is history now.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

README.md

@@ -222,21 +222,19 @@ each additional cell besides the primary Linux. These .cell files have to be
 passed to the jailhouse command line tool for enabling the hypervisor or
 creating new cells.
 
-On x86 a system configuration can be created on the target system by running
-the following command:
+On x86, the required hardware capabilities can be validated by running
+
+    jailhouse hardware check
+
+A system configuration can be created on an x86 target system by running the
+following command:
 
     jailhouse config create sysconfig.c
 
 In order to translate this into the required binary form, place this file in
 the configs/x86/ directory. The build system will pick up every .c file from
 there and generate a corresponding .cell file.
 
-On x86 the hardware capabilities can be validated by running
-
-    jailhouse hardware check sysconfig.cell
-
-providing the binary system configuration created for the target.
-
 Currently, there is no config generator for the ARM architecture; therefore the
 config file must be manually written by starting from the reference examples
 and checking hardware-specific datasheets, DTS and /proc entries.

tools/jailhouse.c

@@ -52,7 +52,7 @@ static const struct extension extensions[] = {
 	  "[--mem-inmates MEM_INMATES]\n"
 	  "                 [--mem-hv MEM_HV] FILE" },
 	{ "config", "collect", "FILE.TAR" },
-	{ "hardware", "check", "SYSCONFIG" },
+	{ "hardware", "check", "" },
 	{ NULL }
 };