Fix portSET_INTERRUPT_MASK_FROM_ISR definition for atomic operation (#940)

* Introduce portHAS_NESTED_INTERRUPTS to identify if port has nested interrupt or not.
* Update atomic.h to use portHAS_NESTED_INTERRUPTS instead of portSET_INTERRUPT_MASK_FROM_ISR definition.

---------

Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
Co-authored-by: ActoryOu <jay2002824@gmail.com>

.github/.cSpellWords.txt

@@ -59,6 +59,7 @@ brhi
 brne
 bswtrg
 BSWTRG
+Bytesto
 CANEN
 CANRX
 CANTX
@@ -89,13 +90,16 @@ CKGR
 CKLO
 CKPS
 CLDIV
+CLEARINTENA
 CLKA
 CLKB
+CLKDIS
 CLKEN
 clki
 CLKI
 CLKP
 CLKS
+CLKSOURCE
 CLKSTA
 CLRB
 CLRF
@@ -690,6 +694,7 @@ Rsvd
 RTAR
 RTCEN
 RTCSC
+RTICTL
 RTIE
 RTIF
 RTIFRC
@@ -713,6 +718,7 @@ RXRSM
 RXSETUP
 RXSUSP
 RXSYN
+RXTDIS
 RXTEN
 RXUBR
 SBYCR
@@ -726,6 +732,7 @@ SECU
 SENDA
 SETB
 SETEN
+SETINTENA
 SETPSW
 SETR
 setvect
@@ -849,6 +856,7 @@ TXVC
 TXVDIS
 UDCP
 uncrustify
+UNDADD
 UNRE
 unsuspended
 URAD
@@ -867,6 +875,7 @@ VDDCORE
 vect
 VECT
 VECTACTIVE
+VECTKEY
 visualisation
 vldmdbeq
 vldmia