misc: Fix some typos in names and comments

Most typos were found using a modified version of codespell:

accross -> across
issueing -> issuing
TICNT_THRESHHOLD -> TICNT_THRESHOLD
bandwith -> bandwidth
VCARD_7816_PROPIETARY -> VCARD_7816_PROPRIETARY
occured -> occurred
gaurantee -> guarantee
sofware -> software

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c
index 3f2c8c5..026f81a 100644
--- a/hw/timer/exynos4210_rtc.c
+++ b/hw/timer/exynos4210_rtc.c
@@ -67,7 +67,7 @@
 #define     CURTICNT        0x0090
 
 #define     TICK_TIMER_ENABLE   0x0100
-#define     TICNT_THRESHHOLD    2
+#define     TICNT_THRESHOLD     2
 
 
 #define     RTC_ENABLE          0x0001
@@ -429,7 +429,7 @@
         s->reg_rtccon = value;
         break;
     case TICCNT:
-        if (value > TICNT_THRESHHOLD) {
+        if (value > TICNT_THRESHOLD) {
             s->reg_ticcnt = value;
         } else {
             fprintf(stderr,