Spelling fixes in comments and documentation

Codespell detected these new spelling issues.
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

docs/writing-qmp-commands.txt

@@ -435,7 +435,7 @@ There are a number of things to be noticed:
    for all QMP functions)
 3. The "clock" variable (which will point to our QAPI type instance) is
    allocated by the regular g_malloc0() function. Note that we chose to
-   initialize the memory to zero. This is recomended for all QAPI types, as
+   initialize the memory to zero. This is recommended for all QAPI types, as
    it helps avoiding bad surprises (specially with booleans)
 4. Remember that "next_deadline" is optional? All optional members have a
    'has_TYPE_NAME' member that should be properly set by the implementation,

memory.h

@@ -561,7 +561,7 @@ void memory_region_add_subregion_overlap(MemoryRegion *mr,
  * memory_region_get_ram_addr: Get the ram address associated with a memory
  *                             region
  *
- * DO NOT USE THIS FUCNTION.  This is a temporary workaround while the Xen
+ * DO NOT USE THIS FUNCTION.  This is a temporary workaround while the Xen
  * code is being reworked.
  */
 ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr);
@@ -650,7 +650,7 @@ void memory_global_sync_dirty_bitmap(MemoryRegion *address_space);
  * memory_region_transaction_begin: Start a transaction.
  *
  * During a transaction, changes will be accumulated and made visible
- * only when the transaction ends (is commited).
+ * only when the transaction ends (is committed).
  */
 void memory_region_transaction_begin(void);
 

qemu-ga.c

@@ -92,7 +92,7 @@ static void usage(const char *cmd)
 "  -v, --verbose     log extra debugging information\n"
 "  -V, --version     print version information and exit\n"
 "  -d, --daemonize   become a daemon\n"
-"  -b, --blacklist   comma-seperated list of RPCs to disable (no spaces, \"?\""
+"  -b, --blacklist   comma-separated list of RPCs to disable (no spaces, \"?\""
 "                    to list available RPCs)\n"
 "  -h, --help        display this help and exit\n"
 "\n"